EXHIBIT 24.1
 
                               POWER OF ATTORNEY
                               -----------------

                                BWAY CORPORATION

     KNOW ALL MEN BY THESE PRESENTS, that each person whose name appears below
constitutes and appoints David P. Hayford and Blair G. Schlossberg and each of
them, his true and lawful attorneys-in-fact and agents, with full power of
substitution and resubstitution, for and in his name, place and stead, in any
and all capacities which such person serves or may serve with respect to BWAY
Corporation, to sign the Registration Statement on Form S-4 of (i) BWAY
Corporation and (ii) Armstrong Containers, Inc., Brockway Standard, Inc.,
Brockway Standard (Canada), Inc., Brockway Standard (New Jersey), Inc., Brockway
Standard (Ohio), Inc., Materials Management, Inc., Milton Can Company, Inc. and
Plate Masters, Inc. (collectively, the "Subsidiary Guarantors") relating to the
registration of $100,000,000 aggregate principal amount of 10 1/4% Senior
Subordinated Notes due 2007, Series B (the "Exchange Notes") to be issued by
BWAY Corporation and the related guarantees of the Subsidiary Guarantors, and
any or all amendments to such registration statement, and to file the same, with
all exhibits thereto, and other documents in connection therewith, with the
Securities and Exchange Commission, granting unto said attorneys-in-fact and
agents, and each of them, full power and authority to do and perform each and
every act and thing requisite and necessary to be done in and about the
premises, as fully to all intents and purposes as he might or could do in
person, hereby ratifying and confirming all that said attorneys-in-fact and
agents or any of them, or their or his substitutes, may lawfully do or cause to
be done by virtue hereof.

 
     This power of attorney has been signed as of the 21st day of April, 1997,
by the following persons:

 
/S/ WARREN J. HAYFORD                      /S/ JOHN T. STIRRUP
 
Warren J. Hayford,                         John T. Stirrup,
Chief Executive Officer and Director       President, Chief Operating Officer 
                                           and Director

/S/ JAMES W. MILTON                        /S/ DAVID P. HAYFORD
 
James W. Milton,                           David P. Hayford,
Executive Vice President and Director      Senior Vice President and Chief
                                           Financial Officer

/S/ KEVIN C. KERN                          /S/ THOMAS A. DONAHOE
Kevin C. Kern,                             Thomas A. Donahoe,
Vice President and Corporate Controller    Director
 

/S/ ALEXANDER P. DYER                      /S/ JEAN-PIERRE M. ERGAS
Alexander P. Dyer,                         Jean-Pierre M. Ergas
Director                                   Director

/S/ JOHN E. JONES
                                           /S/ JOHN W. PUTH
John E. Jones,                             John W. Puth,
Director                                   Director


 
                               POWER OF ATTORNEY
                               -----------------

                           ARMSTRONG CONTAINERS, INC.


     KNOW ALL MEN BY THESE PRESENTS, that each person whose name appears below
constitutes and appoints David P. Hayford and Blair G. Schlossberg and each of
them, his true and lawful attorneys-in-fact and agents, with full power of
substitution and resubstitution, for and in his name, place and stead, in any
and all capacities which such person serves or may serve with respect to
Armstrong Containers, Inc., to sign the Registration Statement on Form S-4 of
(i) BWAY Corporation and (ii) Armstrong Containers, Inc., Brockway Standard,
Inc., Brockway Standard (Canada), Inc., Brockway Standard (New Jersey), Inc.,
Brockway Standard (Ohio), Inc., Materials Management, Inc., Milton Can Company,
Inc. and Plate Masters, Inc. (collectively, the "Subsidiary Guarantors")
relating to the registration of $100,000,000 aggregate principal amount of 10
1/4% Senior Subordinated Notes due 2007, Series B (the "Exchange Notes") to be
issued by BWAY Corporation and the related guarantees of the Subsidiary
Guarantors, and any or all amendments to such registration statement, and to
file the same, with all exhibits thereto, and other documents in connection
therewith, with the Securities and Exchange Commission, granting unto said
attorneys-in-fact and agents, and each of them, full power and authority to do
and perform each and every act and thing requisite and necessary to be done in
and about the premises, as fully to all intents and purposes as he might or
could do in person, hereby ratifying and confirming all that said attorneys-in-
fact and agents or any of them, or their or his substitutes, may lawfully do or
cause to be done by virtue hereof.

 
     This power of attorney has been signed as of the 21st day of April, 1997,
by the following persons:


/S/ WARREN J. HAYFORD    /S/ JOHN T. STIRRUP
 
Warren J. Hayford,       John T. Stirrup,
Director                 President and Director
 
/S/ DAVID P. HAYFORD
David P. Hayford,
Vice President

 
                               POWER OF ATTORNEY
                               -----------------
                                                    

                            BROCKWAY STANDARD, INC.

     KNOW ALL MEN BY THESE PRESENTS, that each person whose name appears below
constitutes and appoints David P. Hayford and Blair G. Schlossberg and each of
them, his true and lawful attorneys-in-fact and agents, with full power of
substitution and resubstitution, for and in his name, place and stead, in any
and all capacities which such person serves or may serve with respect to
Brockway Standard, Inc., to sign the Registration Statement on Form S-4 of (i)
BWAY Corporation and (ii) Armstrong Containers, Inc., Brockway Standard, Inc.,
Brockway Standard (Canada), Inc., Brockway Standard (New Jersey), Inc., Brockway
Standard (Ohio), Inc., Materials Management, Inc., Milton Can Company, Inc. and
Plate Masters, Inc. (collectively, the "Subsidiary Guarantors") relating to the
registration of $100,000,000 aggregate principal amount of 10 1/4% Senior
Subordinated Notes due 2007, Series B (the "Exchange Notes") to be issued by
BWAY Corporation and the related guarantees of the Subsidiary Guarantors, and
any or all amendments to such registration statement, and to file the same, with
all exhibits thereto, and other documents in connection therewith, with the
Securities and Exchange Commission, granting unto said attorneys-in-fact and
agents, and each of them, full power and authority to do and perform each and
every act and thing requisite and necessary to be done in and about the
premises, as fully to all intents and purposes as he might or could do in
person, hereby ratifying and confirming all that said attorneys-in-fact and
agents or any of them, or their or his substitutes, may lawfully do or cause to
be done by virtue hereof.

 
     This power of attorney has been signed as of the 21st day of April, 1997,
by the following persons:


/S/ WARREN J. HAYFORD                   /S/ JOHN T. STIRRUP
 
Warren J. Hayford,                      John T. Stirrup,
Chief Executive Officer and Director    Director
 
/S/ DAVID P. HAYFORD
 
David P. Hayford,
Senior Vice President

 
                               POWER OF ATTORNEY
                               -----------------

                        BROCKWAY STANDARD (CANADA), INC.


     KNOW ALL MEN BY THESE PRESENTS, that each person whose name appears below
constitutes and appoints David P. Hayford and Blair G. Schlossberg and each of
them, his true and lawful attorneys-in-fact and agents, with full power of
substitution and resubstitution, for and in his name, place and stead, in any
and all capacities which such person serves or may serve with respect to
Brockway Standard (Canada), Inc., to sign the Registration Statement on Form S-4
of (i) BWAY Corporation and (ii) Armstrong Containers, Inc., Brockway Standard,
Inc., Brockway Standard (Canada), Inc., Brockway Standard (New Jersey), Inc.,
Brockway Standard (Ohio), Inc., Materials Management, Inc., Milton Can Company,
Inc. and Plate Masters, Inc. (collectively, the "Subsidiary Guarantors")
relating to the registration of $100,000,000 aggregate principal amount of 10
1/4% Senior Subordinated Notes due 2007, Series B (the "Exchange Notes") to be
issued by BWAY Corporation and the related guarantees of the Subsidiary
Guarantors, and any or all amendments to such registration statement, and to
file the same, with all exhibits thereto, and other documents in connection
therewith, with the Securities and Exchange Commission, granting unto said
attorneys-in-fact and agents, and each of them, full power and authority to do
and perform each and every act and thing requisite and necessary to be done in
and about the premises, as fully to all intents and purposes as he might or
could do in person, hereby ratifying and confirming all that said attorneys-in-
fact and agents or any of them, or their or his substitutes, may lawfully do or
cause to be done by virtue hereof.

 
     This power of attorney has been signed as of the 21st day of April, 1997,
by the following persons:

/S/ DAVID P. HAYFORD                     /S/ ROBERT C. COLEMAN
 
David P. Hayford,                        Robert C. Coleman,
Executive Vice President and Director    President
 
/S/ MICHAEL J. TOBIN
 
Michael J. Tobin,
Director

 
                               POWER OF ATTORNEY
                               -----------------

                      BROCKWAY STANDARD (NEW JERSEY), INC.


     KNOW ALL MEN BY THESE PRESENTS, that each person whose name appears below
constitutes and appoints David P. Hayford and Blair G. Schlossberg and each of
them, his true and lawful attorneys-in-fact and agents, with full power of
substitution and resubstitution, for and in his name, place and stead, in any
and all capacities which such person serves or may serve with respect to
Brockway Standard (New Jersey), Inc., to sign the Registration Statement on Form
S-4 of (i) BWAY Corporation and (ii) Armstrong Containers, Inc., Brockway
Standard, Inc., Brockway Standard (Canada), Inc., Brockway Standard (New
Jersey), Inc., Brockway Standard (Ohio), Inc., Materials Management, Inc.,
Milton Can Company, Inc. and Plate Masters, Inc. (collectively, the "Subsidiary
Guarantors") relating to the registration of $100,000,000 aggregate principal
amount of 10 1/4% Senior Subordinated Notes due 2007, Series B (the "Exchange
Notes") to be issued by BWAY Corporation and the related guarantees of the
Subsidiary Guarantors, and any or all amendments to such registration statement,
and to file the same, with all exhibits thereto, and other documents in
connection therewith, with the Securities and Exchange Commission, granting unto
said attorneys-in-fact and agents, and each of them, full power and authority to
do and perform each and every act and thing requisite and necessary to be done
in and about the premises, as fully to all intents and purposes as he might or
could do in person, hereby ratifying and confirming all that said attorneys-in-
fact and agents or any of them, or their or his substitutes, may lawfully do or
cause to be done by virtue hereof.

 
     This power of attorney has been signed as of the 21st day of April, 1997,
by the following persons:

/S/ WARREN J. HAYFORD     /S/ JOHN T. STIRRUP
 
Warren J. Hayford,        John T. Stirrup,
Director                  President and Director
 
/S/ DAVID P. HAYFORD
 
David P. Hayford,
Senior Vice President

 
                               POWER OF ATTORNEY
                               -----------------

                         BROCKWAY STANDARD (OHIO), INC.


     KNOW ALL MEN BY THESE PRESENTS, that each person whose name appears below
constitutes and appoints David P. Hayford and Blair G. Schlossberg and each of
them, his true and lawful attorneys-in-fact and agents, with full power of
substitution and resubstitution, for and in his name, place and stead, in any
and all capacities which such person serves or may serve with respect to
Brockway Standard (Ohio), Inc., to sign the Registration Statement on Form S-4
of (i) BWAY Corporation and (ii) Armstrong Containers, Inc., Brockway Standard,
Inc., Brockway Standard (Canada), Inc., Brockway Standard (New Jersey), Inc.,
Brockway Standard (Ohio), Inc., Materials Management, Inc., Milton Can Company,
Inc. and Plate Masters, Inc. (collectively, the "Subsidiary Guarantors")
relating to the registration of $100,000,000 aggregate principal amount of 10
1/4% Senior Subordinated Notes due 2007, Series B (the "Exchange Notes") to be
issued by BWAY Corporation and the related guarantees of the Subsidiary
Guarantors, and any or all amendments to such registration statement, and to
file the same, with all exhibits thereto, and other documents in connection
therewith, with the Securities and Exchange Commission, granting unto said
attorneys-in-fact and agents, and each of them, full power and authority to do
and perform each and every act and thing requisite and necessary to be done in
and about the premises, as fully to all intents and purposes as he might or
could do in person, hereby ratifying and confirming all that said attorneys-in-
fact and agents or any of them, or their or his substitutes, may lawfully do or
cause to be done by virtue hereof.

 
     This power of attorney has been signed as of the 21st day of April, 1997,
by the following persons:


/S/ WARREN J. HAYFORD     /S/ JOHN T. STIRRUP
 
Warren J. Hayford,        John T. Stirrup,
Director                  President and Director
 
/S/ DAVID P. HAYFORD
 
David P. Hayford,
Vice President

 
                               POWER OF ATTORNEY
                               -----------------

                           MATERIALS MANAGEMENT, INC.


     KNOW ALL MEN BY THESE PRESENTS, that each person whose name appears below
constitutes and appoints David P. Hayford and Blair G. Schlossberg and each of
them, his true and lawful attorneys-in-fact and agents, with full power of
substitution and resubstitution, for and in his name, place and stead, in any
and all capacities which such person serves or may serve with respect to
Materials Management, Inc., to sign the Registration Statement on Form S-4 of
(i) BWAY Corporation and (ii) Armstrong Containers, Inc., Brockway Standard,
Inc., Brockway Standard (Canada), Inc., Brockway Standard (New Jersey), Inc.,
Brockway Standard (Ohio), Inc., Materials Management, Inc., Milton Can Company,
Inc. and Plate Masters, Inc. (collectively, the "Subsidiary Guarantors")
relating to the registration of $100,000,000 aggregate principal amount of 
10 1/4% Senior Subordinated Notes due 2007, Series B (the "Exchange Notes") to
be issued by BWAY Corporation and the related guarantees of the Subsidiary
Guarantors, and any or all amendments to such registration statement, and to
file the same, with all exhibits thereto, and other documents in connection
therewith, with the Securities and Exchange Commission, granting unto said
attorneys-in-fact and agents, and each of them, full power and authority to do
and perform each and every act and thing requisite and necessary to be done in
and about the premises, as fully to all intents and purposes as he might or
could do in person, hereby ratifying and confirming all that said attorneys-in-
fact and agents or any of them, or their or his substitutes, may lawfully do or
cause to be done by virtue hereof.

 
     This power of attorney has been signed as of the 21st day of April, 1997,
by the following persons:

/S/ DANIEL SITLER          /S/ BLAIR G. SCHLOSSBERG
 
Daniel Sitler,             Blair G. Schlossberg,
President and Director     Director

 
                               POWER OF ATTORNEY
                               -----------------

                            MILTON CAN COMPANY, INC.


     KNOW ALL MEN BY THESE PRESENTS, that each person whose name appears below
constitutes and appoints David P. Hayford and Blair G. Schlossberg and each of
them, his true and lawful attorneys-in-fact and agents, with full power of
substitution and resubstitution, for and in his name, place and stead, in any
and all capacities which such person serves or may serve with respect to Milton
Can Company, Inc., to sign the Registration Statement on Form S-4 of (i) BWAY
Corporation and (ii) Armstrong Containers, Inc., Brockway Standard, Inc.,
Brockway Standard (Canada), Inc., Brockway Standard (New Jersey), Inc., Brockway
Standard (Ohio), Inc., Materials Management, Inc., Milton Can Company, Inc. and
Plate Masters, Inc. (collectively, the "Subsidiary Guarantors") relating to the
registration of $100,000,000 aggregate principal amount of 10 1/4% Senior
Subordinated Notes due 2007, Series B (the "Exchange Notes") to be issued by
BWAY Corporation and the related guarantees of the Subsidiary Guarantors, and
any or all amendments to such registration statement, and to file the same, with
all exhibits thereto, and other documents in connection therewith, with the
Securities and Exchange Commission, granting unto said attorneys-in-fact and
agents, and each of them, full power and authority to do and perform each and
every act and thing requisite and necessary to be done in and about the
premises, as fully to all intents and purposes as he might or could do in
person, hereby ratifying and confirming all that said attorneys-in-fact and
agents or any of them, or their or his substitutes, may lawfully do or cause to
be done by virtue hereof.

 
     This power of attorney has been signed as of the 21st day of April, 1997,
by the following persons:


/S/ WARREN J. HAYFORD     /S/ JAMES W. MILTON
 
Warren J. Hayford,        James W. Milton,
Director                  President and Director

/S/ JOHN T. STIRRUP       /S/ DAVID P. HAYFORD
 
John T. Stirrup,          David P. Hayford,
Director                  Senior Vice President

 
                               POWER OF ATTORNEY
                               -----------------

                              PLATE MASTERS, INC.


     KNOW ALL MEN BY THESE PRESENTS, that each person whose name appears below
constitutes and appoints David P. Hayford and Blair G. Schlossberg and each of
them, his true and lawful attorneys-in-fact and agents, with full power of
substitution and resubstitution, for and in his name, place and stead, in any
and all capacities which such person serves or may serve with respect to Plate
Masters, Inc., to sign the Registration Statement on Form S-4 of (i) BWAY
Corporation and (ii) Armstrong Containers, Inc., Brockway Standard, Inc.,
Brockway Standard (Canada), Inc., Brockway Standard (New Jersey), Inc., Brockway
Standard (Ohio), Inc., Materials Management, Inc., Milton Can Company, Inc. and
Plate Masters, Inc. (collectively, the "Subsidiary Guarantors") relating to the
registration of $100,000,000 aggregate principal amount of 10 1/4% Senior
Subordinated Notes due 2007, Series B (the "Exchange Notes") to be issued by
BWAY Corporation and the related guarantees of the Subsidiary Guarantors, and
any or all amendments to such registration statement, and to file the same, with
all exhibits thereto, and other documents in connection therewith, with the
Securities and Exchange Commission, granting unto said attorneys-in-fact and
agents, and each of them, full power and authority to do and perform each and
every act and thing requisite and necessary to be done in and about the
premises, as fully to all intents and purposes as he might or could do in
person, hereby ratifying and confirming all that said attorneys-in-fact and
agents or any of them, or their or his substitutes, may lawfully do or cause to
be done by virtue hereof.

 
     This power of attorney has been signed as of the 21st day of April, 1997,
by the following persons:


/S/ WARREN J. HAYFORD       /S/ JOHN T. STIRRUP
 
Warren J. Hayford,          John T. Stirrup,
Director                    President and Director
 
/S/ DAVID P. HAYFORD
 
David P. Hayford,
Vice President