PU material fabrics with extra durable with amazing stretch that can be stretched easily for optimum fit.The swim cap is very easy to put on and the non-slip interior lining is comfortable and does not stick to the head. PU Coating Swim cap can be applied to regular swimming or some swimming activities, such as synchronized swimming, water polo and other water sports, ensures lasting performance and good fit. Don’t forget to customize it with a logo or company name!