Come and see our amazing products. Designed with 3D ergonomic ear structure, our swim caps are made of waterproof silicone material to protect your hair and ears from chlorine and pool bacteria in the water. In addition, the swimming cap has extra room for ear coverage to prevent overpressure for more comfort and adds an extra layer of protection to the ears to limit the flow of water into the ears. Pls confirm with us about the packing info, stock color and exact production time before placing your order.