80% Nylon, 20% Spandex Pull-On closure 100% SILICONE MATERIAL: Niidor strapless bra is made of sticky and skin-friendly silicone adhesive, High-strength stickiness keeps your chest in a good and comfortable position without worrying about falling off. Easy to wear and peel off, good stickiness does not cause any pain to the skin. FASCINATING DEEP "V" BRA: The sticky bra is a deep V-shaped design that helps push your chest and only need a little pull, it will give you a complete and sexy cleavage. it is better to show off your beautiful chest curve, let you become the focus of everyone. EUR & US SIZE DESIGN: The adhesive bra size is designed according to the European and American cups. The size is larger than the Asian Cup. It covers the chest comprehensively and does not squeeze the chest. The size is suitable for all kinds of chest. LIGHTWEIGHT & COMFORTABLE: The invisible sticky bra is light in weight, raises the chest, does not sag, and the bra buttons are transparent, not metallic, and do not cause skin problems. No sponge, give you super comfort. The style is very fashionable and suitable for all kinds of backless deep V dresses. EASY-CLEANING & REUSABLE: This strapless bra can be reusable for many times with good maintain. Only need to simply wet the adhesive surface with warm water and mild detergent and then air to dry it. It will still keep the adhesive gels for your next time using.