Silicone Swim Caps, ZIONOR Premium 3D Designed Latex-free Wrinkle-free Waterproof One Size Comfortable Easy Fit Elastic Short Curly Thick Long Hair Swimming Caps with Ear Cups for Adult Men and Women Swim Faster & Smoother: Advanced 3D designed swim caps is more stretchable than standard silicone swimming caps with its better fitting and ergonomics model. Reduce water drag and help swimmer getting better performance. Full Protection & Safe Material: Solid allergy-free, non-toxic and odorless silicone keep your hair dry and prevent hair and ears got infected by dirty water, chlorine. Comfortable Wearing & Stay in Place: Fit snugly to your head, stretchable silicone stay tight when you swimming, surfing or any other water sports. Top grade silicone ensures no water soaking through and no more hassle of swim cap ripped off when ready to put on. One Size Fits All: Strong elastic features made these swimming caps fit for adult men and women with short, curly, thick and long hair and different head sizes. Unique earmuffs cover your ears nicely and tight. ZIONOR Trustworthy Warranty: As a solid merchant on amazon, we strike to provide professional customer service and solid product. 1 year warranty and 90 days money back guarantee cover all ZIONOR products from ski gears to swim accessories.