| Cover | May 16, 2024 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | May 16, 2024 |
| Entity File Number | 001-37370 |
| Entity Registrant Name | MY SIZE, INC. |
| Entity Central Index Key | 0001211805 |
| Entity Tax Identification Number | 51-0394637 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | HaYarden 4 |
| Entity Address, Address Line Two | POB 1026 |
| Entity Address, City or Town | Airport City |
| Entity Address, Country | IL |
| Entity Address, Postal Zip Code | 7010000 |
| City Area Code | +972 |
| Local Phone Number | 3-600-9030 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, $0.001 par value per share |
| Trading Symbol | MYSZ |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
