Feature:1. Polypropylene Material: Made from premium polypropylene, these hand paddles are comfortable, resistant to deformation, and ideal for long hours of swimming training.2. Anti Slip Design: The swimming hand paddles feature anti slip lines that provide better hydrodynamics, helping to improve stroke efficiency and speed, practical to use.3. Perforated Holes: The swimming hand fins have holes that allow water to go through, enabling better control and providing a workout for shoulder and arm strength.4. Silicone Straps: The silicone straps are comfortable and easy to adjust, ensuring you find the right hand position for optimal performance. Come with a mesh bag for easy carrying.5. Great Training Tool: Suitable for swimming beginners and professional athletes, these hand paddles are effective for enhancing swimming techniques and posture.Specification:Item Type: Hand PaddleMaterial: Silicone, Polypropylene.Package List:2 x Hand Paddle1 x Mesh Bag