Natuworld Silky Silicone Swim Cap,Adult and Children Two Size Available Multi-color Swimming Caps for Unisex Men Women Girls and Boys to Keep Hair Dry Children and Adult 2 size available silky silicone swimming caps Designed for snug soft, secure fit Size: 210mm * 180mm, suitable for 7-15 years old child Size: 230mm * 195mm, suitable for unisex adult silky silicone is easy to put on and take off.