WATERPROOF: The best feature of the silicone swim cap is to reduce water from entering, protect your hair and ear from chloride and other substances in the water. But doesn't completely keep dry SAFETY: Upgrade silicone swim caps for ultimate stretch and durability, no odd smell, no deformation, quick dry and wrinkle-free COMFORTABLE: With excellent elasticity and toughness, ergonomic design, it can perfectly fit the head without feeling oppression MAINTAIN: Make your swimming cap last even longer by washing it in non-chlorinated water after use and air drying it away from any heat sources or direct sunlight ORDER WITH CONFIDENCE: Rest assured with our commitment to a two-year hassle-free return policy. Should you encounter any issues, do not hesitate to reach out to our dedicated customer service team. We are dedicated to providing you with a gratifying solution within a mere 24-hour timeframe!