Easy To Use: Simply stretch and pull over the head, ensures a secure fit without slipping Functional Features: This swimming hat women offers reliable waterproof performance, perfect for both swimming and water sports Size: each size is: 23*20cm, perfect for both swimming and water sports High Quality Material: Swimming cap made from premium quality, elastic silicone that provides a , ,comfortable without strangling her head or damaging her hair Versatile Use: Swimming cap for women suitable for both recreational and professional swimmers,it provides a comfortable and snug fit for different head sizes, ideal for swimming pools, beaches, and water sports