Zionor Swimming Caps, Manatee C1 Swim Caps Premium Silicone Waterproof Non-Toxic Odorless Elastic Average to Big Head, Short Long Thick Hair Ear Pockets Unisex Adult Men Women Safety Eco-friendly Material - ZIONOR Swimming Caps are made of premium silicone. Keep chlorine and seawater out for better protection. No more complaining about infection of scalp and ears. Lightweight and Stay in Place - Perfectly fit for different head sizes and hair lengths, feels soft and light when wearing it and the swim cap stay in place. Featured with good waterproof. High Elastic and Comfortable - Manatee C3 Swim Cap has good flexibility and rip-free. Soft silicone material for easy take on and off. Suitable for adult lap swimmer men and women wearing from swimming pool, lido to beach. ZIONOR unique guarantee: From pre-sales to after-sales, ZIONOR dedicates to provide the best customer service on amazon or official website. We hope you are not only thrilled by our product, but also the superior customer service from us.