Polyester Comfortable breathable and lightweight made Angle's wing design bra and drawstring closure design creates a busty, fuller and charming deep v shape. Perfect for halter, backless, strapless, low-cut outfits and party dress. ADHESIVE & STABLE, grade gel it will gentle adhere your skin and keep the breast stable. WASHABLE & REUSABLE, gentle clean the bra with laundry detergent and water, then air dry. Cup A and B