A. 2 swimming caps.Snug fit keeps hair pulled cleanly away from face and neck while swimming. B. Stretchy material: 80% nylon, 20% spandex fabric dries quickly. NOT waterproof. C. Elastic band at the bottom of the cap to ensure a secure comfortable fit. D. Dries quickly when you get out of the water. E. Fit for boys and girls, also for adult men and women;Do not recommend it for people with long hair.