[Ear Protection] Our swimming caps are made of waterproof silicone material, which provides extra space for the ears, providing a comfortable fit while protecting your hair and ears from chlorine, pool bacteria in the water. [3D ERGONOMIC DESIGN] The ergonomic 3D shape helps create a perfect fit. Strategic cushioning under the ear contact points prevents pressure build-up, and the material is designed to not tangle or pull hair. The advanced thickened curved edge design provides a better fit and keeps the hat in place during long swims. Flexible and ElasticThis swimming cap has high elasticity and is not easily deformed after stretching. Eco-friendly, non-toxic, tear-resistant and elastic. NeutralSuitable for hairstyles of various lengths, such as long hair, shoulder length, thick or short hair. Reach the inside of the hat with both hands, bend ten fingers and spread them out with the right amount of force, then put them on. With a sleek and simple design, our swim caps can suit everyone and are the choice for most people. A good swimming cap choice for swimmers. All Products From Us Have Undergone Strict Quality Checks. if There Is Any Quality Problem Or You Are Not Satisfied With The Product contact Us. we Will Give You The Best Solution.