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                                                                    EXHIBIT 99.4
 
                                 WORLDTEX, INC.
                             OFFER TO EXCHANGE ITS
                     9 5/8% SERIES B SENIOR NOTES DUE 2007
                        WHICH HAVE BEEN REGISTERED UNDER
                    THE SECURITIES ACT OF 1933, AS AMENDED,
                       FOR ANY AND ALL OF ITS OUTSTANDING
                     9 5/8% SERIES A SENIOR NOTES DUE 2007
            THE OFFER AND WITHDRAWAL RIGHTS WILL EXPIRE AT 5:00 P.M.
       NEW YORK CITY TIME, ON [              ], 1998, UNLESS THE OFFER IS
                                   EXTENDED.
 
                                                             February [  ], 1998
 
To Our Clients:
 
     Enclosed for your consideration are the Prospectus, dated February [  ],
1998 (the "Prospectus"), and the related Letter of Transmittal (which together
constitute the "Exchange Offer") setting forth an offer by Worldtex, Inc., a
Delaware corporation (the "Company"), to exchange $1,000 principal amount of its
9 5/8% Series B Senior Notes due 2007 (the "New Notes"), which have been
registered under the Securities Act of 1933, as amended, pursuant to a
registration statement, for each $1,000 principal amount of its 9 5/8% Series A
Senior Notes due 2007 (the "Old Notes"), of which $175,000,000 principal amount
is outstanding, upon the terms and subject to the conditions set forth in the
Prospectus.
 
     WE ARE THE HOLDER OF RECORD OF OLD NOTES FOR YOUR ACCOUNT. A TENDER OF SUCH
OLD NOTES CAN BE MADE ONLY BY US AS THE HOLDER OF RECORD AND PURSUANT TO YOUR
INSTRUCTIONS. THE LETTER OF TRANSMITTAL IS FURNISHED TO YOU FOR YOUR INFORMATION
ONLY AND CANNOT BE USED BY YOU TO TENDER OLD NOTES HELD BY US FOR YOUR ACCOUNT.
 
     We request instructions as to whether you wish us to tender any or all of
the Old Notes held by us for your account, upon the terms and subject to the
conditions set forth in the Prospectus and the Letter of Transmittal.
 
     Your attention is directed to the following:
 
          (1)  The Exchange Offer is for any and all outstanding Old Notes.
 
          (2)  The Exchange Offer is not conditioned upon any minimum number of
     Old Notes being tendered.
 
          (3)  The Exchange Offer is subject to certain conditions set forth in
     the Prospectus in the section captioned "The Exchange Offer -- Conditions."
 
          (4)  The Exchange Offer and withdrawal rights will expire at 5:00
     p.m., New York City time, on [              ], 1998, unless the Exchange
     Offer is extended. Your instructions to us should be forwarded to us in
     ample time to permit us to submit a tender on your behalf.
 
          (5)  Any transfer taxes applicable to the exchange of Old Notes
     pursuant to the Exchange Offer will be paid by the Company, except as
     otherwise provided in Instruction 7 of the Letter of Transmittal.
 
     If you wish to have us tender any or all of your Old Notes held by us for
your account upon the terms and subject to the conditions set forth in the
Exchange Offer, please so instruct us by completing, executing, detaching and
returning to us the instruction form on the detachable part hereof.
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                                 WORLDTEX, INC.
 
                          INSTRUCTIONS WITH RESPECT TO
                             OFFER TO EXCHANGE ITS
                     9 5/8% SERIES B SENIOR NOTES DUE 2007
                        WHICH HAVE BEEN REGISTERED UNDER
                    THE SECURITIES ACT OF 1933, AS AMENDED,
                       FOR ANY AND ALL OF ITS OUTSTANDING
                     9 5/8% SERIES A SENIOR NOTES DUE 2007
 
            THE OFFER AND WITHDRAWAL RIGHTS WILL EXPIRE AT 5:00 P.M.
        NEW YORK CITY TIME, ON [ ], 1998, UNLESS THE OFFER IS EXTENDED.
 
     The undersigned acknowledge(s) receipt of your letter and the enclosed
Prospectus, dated February [  ], 1998, and the related Letter of Transmittal
(which together constitute the "Exchange Offer") in connection with the offer by
Worldtex, Inc., a Delaware corporation (the "Company"), to exchange $1,000
principal amount of its 9 5/8% Series B Senior Notes due 2007 (the "New Notes"),
which have been registered under the Securities Act of 1933, as amended,
pursuant to a registration statement, for each $1,000 principal amount of its
9 5/8% Series A Senior Notes due 2007 (the "Old Notes"), of which $175,000,000
aggregate principal amount is outstanding, upon the terms and subject to the
conditions set forth in the Prospectus.
 
     This will instruct you to tender the Old Notes indicated below held by you
for the account of the undersigned, pursuant to the terms and conditions set
forth in the Prospectus and the related Letter of Transmittal. (Check one).
 
[ ]  Please tender my Old Notes held by you for my account. If I do not wish to
     tender all of the Old Notes held by you for my account, I have identified
     on a signed schedule attached hereto the number of Old Notes that I do not
     wish tendered.
 
[ ]  Please do not tender any Old Notes held by you for my account.
 
Date             , 1998
 
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                                                      SIGNATURE(S)
 
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                                               PLEASE PRINT NAME(S) HERE
 
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                                              AREA CODE AND TELEPHONE NO.
 
     Unless a specific contrary instruction is given in the space provided, your
signature(s) hereon shall constitute an instruction to us to tender all Old
Notes.