Made with premium silicone material, this pair of swimming training hand paddles are adjustable and comfortable. Durable and pliable, can greatly improve the speeds of swimming. Hydrodynamic optimization of material combinations and hole design. Perfectly decrease the resistance in water, ensures your better performance. Features - - Material: Silicone. - Adults Size L: 23.00X16.00X6.00cm/9.04X6.29X2.36inch. - Made of silicone material, lightweight, does not an additional burden on swimming. - Hand paddles have many drainage holes and water channels, low-impact will allow you to build muscle safely. - Straps are made of silicone material, they won't hinder the blood palm. The length of the strap adjusts the palm to the most comfortable state. - Help you practice your swimming, like free style, backstroke, breaststroke, etc. - Suitable for swimming beginners to improve swimming skills and arm strength. Package list: 1 pair x hand paddles