Fabric type 80%Nylon+Spandex , 20%Silicone Care instructions Hand Wash Only LIGHTWEIGHT & COMFORTABLE: The invisible adhesive bra is super lightweight with no sponge and the clips at the middle are lightweight and transparent. Giving you a super comfortable wearing experience without any sagging or tugging feeling. Fashionable and suitable for all kinds of backless deep V dresses and low tops. 100% SILICONE MATERIAL: queensecret adhesive bra is made of cutting-edge tech silicone adhesive, High-strength stickiness keeps your girls staying in a perfect and comfortable position without worrying about falling off. Easy to wear and peel off, wonderful stickiness does not cause any pain to the skin. EASY-CLEANING & REUSABLE: This sticky bra can be reusable for many times. Simply wet the adhesive surface with warm water and then air dry. Then it will still keep the adhesive gels ready for your next use.