Cover - shares	3 Months Ended
	Mar. 31, 2023	May 01, 2023
Cover [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Mar. 31, 2023
Document Fiscal Period Focus	Q1
Document Fiscal Year Focus	2023
Current Fiscal Year End Date	--12-31
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
Title of 12(b) Security	Common Stock, $0.001 par value per share
Trading Symbol	MYSZ
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		2,446,780