Features:1.Premium Waterproof Silicone - Soft, stretchable, and tear-resistant for durability. Snug yet comfortable fit protects hair and keeps it dry.2.Two Sizes (3-15 Years) - High elasticity ensures easy wear and secure grip for kids and teens, with no slipping during play.3.Extra Room for Long/Thick Hair - 20% more space than standard caps, com..