Va Bien Women's Ultra-Lift Low Back Bustier Cup Covers: 100% Polyester; Cup Foam: 100% Polyurethane; Outer Body: 87% Nylon, 13% Spandex; Inner Body: 79% Nylon, 21% Spandex Imported Hand Wash Patented ultra-lift technology features 3 thin stays sealed inside each bra cup for amazing support with total comfort Seamless to prevent show through Extra-low back Comes with straps and convertible to criss-cross and halter