Our swimming fin with hole reduces water resistance and increase hydrodynamics, generating more forward propulsion and allowing for faster and more efficient swimming. Beginner-friendly design with easy-to-wear strap. Ideal for water sports, daily swimming, beach outings, and swimming training. And, the elastic strap can fix middle finger and wrist well to provide great stability for palms during swimming. As the perfect training aid for professional swimmer who wants to maintain and correct freestyle stoke mechanics. Our swimming fin deserves your first consideration. Ideal for training and improving swimming techniques for beginner and athlete. You can also use it as a gift. Dive into the water with these innovative swimmer fins designed to enhance your swimming experience! With multiple water holes for rapid water passage, these fins help increase your swimming speed by diverting water efficiently. Perfect for both children and adults, these freestyle arm training hand fins are ideal for improving stroke skills and hand movements. The user-friendly design includes a middle finger cover for easy wear, making them suitable for beginners and professionals alike. Whether you're into water sports, daily swimming, or beach activities, these professional swimming equipment will take your aquatic adventures to the next-level. Upgrade your swim game today with these versatile and effective swimmer fins! Item Name: Hand Paddles Material: Polypropylene, PC, Silicone Strap Features: Lightweight, Ergonomic Shape, Reusable, Portable Size Details: S, L: 17cm, W: 12.3cm(Approx.) M, L: 19cm, W: 13.8cm(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 Pair of Hand Paddles