1. 【Lightweight and High - quality】The swimming paddles are made of polypropylene, which is lightweight and won't impose any extra burden on swimming. The hand paddles have multiple drainage holes and water channels. The small impact force can help you exercise your muscles safely. 2. 【Ergonomic Design】The hand paddles feature an ergonomic design. The appropriate convex surface aligns with the palm, enhancing the comfort of your hands during swimming and also increasing the grip on the water. 3. 【Adjustable Shoulder Straps】The shoulder straps are made of silicone, which won't impede the blood circulation in your palms. The length of the shoulder straps can be adjusted to keep your palms in the most comfortable state. They are durable and flexible, which can significantly improve your swimming speed. 4. 【Widely Applicable】The swimming paddles can help you exert more arm strength while swimming, making swimming easier. They are suitable for various swimming strokes such as butterfly stroke, backstroke, breaststroke, and freestyle. The swimming paddles are made of polypropylene, which is lightweight and won't cause any extra burden during swimming. The hand paddles are equipped with multiple drainage holes and water channels. The small impact force can help you exercise your muscles safely. The hand paddles conform to the ergonomic design. The right - sized convex surface aligns with the palm, enhancing the comfort of your hands during swimming and increasing the traction on the water. The straps are made of silicone, which won't block the blood flow in your palms. The length of the shoulder straps can be adjusted to keep your palms in the most comfortable state. They are durable and flexible, which can greatly improve your swimming speed. The swimming paddles can help you release more arm strength while swimming, making swimming more effortless. They are suitable for various swimming strokes such as butterfly stroke, backstroke, breaststroke, and freestyle.