1. Give yourself a booty boost! This butt open double-O butt lifter lifts and separates, acting like a push-up bra for your backside! Creates a great lifting effect that rounds the rear into a perfect shape.Provides superior body shaping by smoothing & flattening where you need it most; boosting only where you want it! enjoy your beautiful curves at anytime.Can be worn underneath any type of clothing.Lifts Up The Butt Instantly.Add Dimension and Lift The Derriere Naturally.Tummy Control Sexy, Comfortable and Invisible Instantly gives the butt a boost. 2.Details: Material: 85% Nylon, 15% Spandex. Size:XXS,XS,S,M,L,XL,XXL,XXXL,4XL,5XL,6XL. Color:Black,Nude Brand:Joymode 3.Shipping time:Within 1 working day 4.Attached pls kindly find and check the size chart on carousel pictures. 5.****Tips!!! This size chart may not be 100% accurate and is not from the manufacturer. (To be used as an estimation only) We recommend going up one size from the size you wear. For example, if you wear a M you should get a L . Some customers may need to go up two sizes depending on your body type, if you're on the thicker side you may want to consider going up two sizes because this item does runs very small. All we can do is make recommendations. You have to make the decision to go up either one size or two sizes. If you have any questions or concerns and need us to make a recommendation about the size, please contact us. *** i am glad to help you !my friends!