1. High quality material: high quality silicone material. It is resistant to deformation, light weight, corrosion resistant and durable. Durable and flexible. Therefore, you can make full use of the comfort of wearing it barefoot without worrying about rubbing your feet. 2. Advantages of training fins: good for strengthening joints and tightening the muscles of the legs, hips and feet. Incredibly comfortable to wear on land and in the water - without disturbing other swimmers. Swim buoys may be useful when used in open water, and are generally more noticeable for surfers' boats. 3. Anti-friction, no slippage. Rounded edges for enhanced slip resistanceEasy to carry. Flippers can be supplied with a quick-drying mesh bag and a hard plastic liner. The mesh bag can quickly filter sand and water. You and the short fins are perfect for traveling and carrying. The hard plastic will keep the shape of the slats during storage. 4. THE PERFECT SWIMMING PARTNER: The snorkel fins are scientifically designed to minimize fatigue and prevent cramping. They have a unique open toe and cool flame-shaped mesh instep design. They reduce drag and feel more comfortable and breathable. 5. Hydrophobic deflector design facilitates fast drainage and reduces water resistance Product Information. Weight: 578g. Size:S,M,L,XL Color:yellow,orange,royal blue,blue,orange and black,metallic green,black Material. Silicone