Swimming Fins Size: 13.6 x 19.5 cm LIGHTWEIGHT AND EASY TO CARRY: The hand-cranked swimming paddle has good elasticity, which can hold your hand well while swimming, small size, light weight, not easy to fall off, easy to carry and disassemble. Ergonomic Design: The shape of the swimming paddle is ergonomically designed to fit your hand perfectly. And there are some small drainage holes in the palm of the hand, which can reduce the impact of water on the palm when swimming and train your muscles safely. Multiple Uses: The palm of the hand can help you swim, such as freestyle, backstroke, breaststroke, and butterfly. Suitable for beginner swimmers to improve swimming skills and increase arm strength, and for experienced swimmers to swim more freely forward. Material: PC palm, silicone strap; Our swimming paddle is made of PP, silicone, high resilience, not easy to deform, light weight, help you swim without feeling tight. The flexible shape of the swim paddle provides maximum comfort and is the best choice for swimming, diving, snorkeling, etc. Adjustable Silicone Strap: The adjustable silicone strap makes the swim training paddle suitable for different hand sizes. You can adjust the adjustable silicone straps to a comfortable position as needed to keep your hands stable while swimming.