Features: Add Resistances:Our swimming hand fins can add resistances for you when you swim help better training and improve your swimming style perfect for beginners. High-quality Material:Our silicone swim gear fins are made of silicone material which is light comfortable skin-friendly wear-resistant and durable. Provide Full Flexibility:The style design of these webbed hands for swimming not only provides your hands with full flexibility but also increases the grip on smooth surfaces. Ergonomic Design:The silicone hand swimming fins are ergonomically designed to fit your fingers not easy to fall off and do not restrain your hands making them comfortable to wear. Easy to Put On and Take Off:This swimming hand webbed is designed with an imitation frog palm style. It is easy to put on and take off easy to carry and a great helper for swimming training. Specification: Material: Silicone Size: S: about 15cm*4cm/5.91*1.57in M: about 17cm*5.5cm/6.69*2.17in L: about 19cm*6.5cm/7.48*2.56in includes: 1 Pair* Swimming Hand Fins