COPOZZ Girls Kids Swim Cap Swimming Cap For Adult Women Men Girl Youth Kids(10+) - Long Hair Compatible 100% Silicone 3D Ergonomic Design (3120_BK) Smooth surface: reduce hydrodynamic drag, improve mobility;One Size:Fit for Men Women and children over 7 years old Waterproof: keep water out of hair which helps to reduce the damage that chlorine and other pool chemicals may cause Covering ears bubble: cover ears while swimming, retain heat, also help to keep hair out of the water Durable: long-lasting for years when cared for properly,Comfortable: 3D design, lends itself well to slipping on and off without pulling hair 100% money back guarantee: if in any case you are not satisfied with the item, you can get a full refund within 30 days.