Swimming Cap for Long Hair - 100% Premium Hypoallergenic Silicone - Lightweight - Water-Drop Design, Won't Snag Hair - Suitable for men/women/adult/girls 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.