High-quality materials: high-quality silicone material. which is resistant to deformation, lightweight, corrosion resistant and durable. Durable and flexible. So you can fully utilise the comfort of barefoot wear and do not worry about rubbing the feet. Training fin advantages: joint-friendly strengthening and tightening of the leg, buttocks and foot muscles. Incredibly comfortable to wear on land as well as in the water - without disturbing other swimmers. When used in open water, a swimming buoy maybe useful to be easier to be seen by surfer boats in general. Fashion: For balancing sports for runners, cyclists and all types of endurance sports, the fins are popular with young men and women. The comfortable soft fins are easy to use even for beginners. Easy to carry: you can provide a quick-drying mesh bag and a hard plastic lining for the fins. The mesh bag can filter sand and water quickly. You and the short fins are perfect for travelling and carrying. Hard plastic can keep the slats in shape duringstorage. Perfect swimming partner: the snorkel fins adopt the scientific design, minimise fatigue and prevent cramps. They use the unique open toe and the cool flame-shaped mesh instep design. They reduce resistance and feel more comfortable and breathable. The fins for adults and teenagers are the equipment for every ambitious snorkel and must not be missing in your luggage. No special sports or water skills are required. Thus, long fins are ideal for any sport, leisure or hobby snorkeller. Product information: Weight: 500 g. Size:M Colour: blue. Material: silica gel Features: 1. The height and depth of the foot pockets of the diving fins are not adjustable. Provides better grip than straps. Please choose the size of the fins without swimming shoes. 2. The snorkel fin is made of silicone material, which is soft and elastic and has strong driving force in the water without tired feet. 3. The slight bending of the fins ensures reinforced kickback. Thanks to the anatomically shaped foot section, the fins are comfortable to wear even after prolonged use. 4. The fins for adults are ideal for snorkelling, swimming and diving. 5. The snorkel fins come in a strong plastic carry case so no dirt gets into the suitcase. Package includes: 1 x fins. 1 x portable mesh bag