"One size: The silicone swim cap measures 20*23 cm, suitable for different head shapes. With 3D ergonomic design, it is more comfortable to wear, unisex, and suitable for most people.High quality: The swim cap is made of lightweight, durable silicone to protect medium-length hair from chlorine. It is very suitable for long-term use and not easy to tear.High comfort: The elastic material enables this swim cap to stretch easily for the best fit without snagging or pulling the hair, and can be used for long or short hair. It fits long and short hair and provides a comfortable grip.Fashionable and practical: The set includes two fashionable swim caps that you can use in turn or give as gifts to friends and family. The black swim cap is very versatile and can be matched with any swimsuit, allowing you to enjoy the fun of swimming more.Multiple uses: This swim cap is not only suitable for swimming and training, but also very suitable for other water activities, such as surfing, water skiing, kayaking, kitesurfing and other activities that require hair protection."