HIGH QUALITY SILICONE: Made from eco-friendly silicone materials, this swimming cap for adults is non-toxic, formaldehyde-free, soft, and harmless. With high elasticity, it is easy to put on and take off, providing a comfortable experience for water sports. DURABLE & TEAR-RESISTANT: Featuring high-tech seamless line pressing, this swim cap is highly elastic, durable, and resistant to tearing or deformation. The interior includes a non-slip texture that helps keep the cap securely in place without slipping. WATERPROOF & PROTECTION: The silicone material helps keep hair dry and protected from chlorine, bacteria, and other pool chemicals. Ergonomically designed to minimize water entry, it helps protect both hair and ears. DESIGNED FOR LONG HAIR: Measuring 21 x 26 cm, this large swim cap is ideal for long hair, including dreadlocks, weaves, extensions, braids, curls, and afros. It can also be used comfortably with short hair. WIDE APPLICATION: Suitable for daily swimming, swim lessons, and various water activities.