[Ear Protection]Our swimming cap is made of waterproof silicone material, provides extra space for the ears, provides a comfortable fit while protects your hair and ears from chlorine, pool bacterias in the water.[3D Ergonomic Design]The ergonomic 3D styling helps to create a perfect fit. The strategic cushioning under the ear contact points prevents pressure build-up, and the design of the material will not entangle or pull the hair. The advanced thicker curved edge design fits better and keeps the hat in place during long swimming.[Flexible and Elasticity]This swimming cap has great elasticity and is not easily deformed after being stretched. It is environmentally friendly, non-toxic, tear-resistant, and elastic.[Unisex]Suitable for hairstyles of all lengths, such as long, shoulder-length, thick or short hair. Reach into the inside of the hat with both hands, bend the ten fingers and spread them with appropriate strength, and then put it on.With fashionable concise design,our swim caps can meet all people's needs, suit most people's choices. Nice swimming cap selection for swimming lovers.size:Suitable for head circumference 50-60cmMaterial:Silica gel