nylon 90% and spandex 10% Imported Pull-On closure Hand Wash Only Swimsuit cover-up is made of super elastic fibers, which are lightweight, soft, and incredibly comfortable. The fabric is highly stretchable, fitting most people with a weight capacity of up to 140 pounds. Featuring a transparent hollow out mesh design, it wraps around the buttocks while showcasing your charm and providing a cool and comfortable feel. The sleeveless design allows for easy movement and adds a touch of sensuality.