Silicone Material: Our swim fins are made of silicone, offering a soft, comfortable, and reliable experience that enhances your swimming sessionsSwim Training: These Swimming Fins help enhance your swimming skills and endurance, making them ideal for professional trainingFor Snorkeling and Swimming: Lightweight yet powerful, these Diving Fins are ideal for snorkeling and swimming, improving your performance and making swimming more enjoyableCompact Short Swim Fins Design: The short swim fins design makes these swim fins easy to carry and store, making them a convenient choice for travel enthusiasts who love swimmingVersatile Use: Whether you're diving or snorkeling, these silicone swimming fins will meet all your needs with their great design Specification: Material: Silicone Size Chart: UK Size: 3-5; US Size: 5-7; Total Length: 31cm/12.20inch Package Includes: 1 Pair of Swim Fins Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.