MaterialThe swimming hand paddle is made of PC material, light in weight and will not bring additional burden to swimming. With Adjustable StrapsPracticing arm-stroke self-swimming hand web straps will not obstruct the blood flow in your hand. Easy to UsePractice strokes, self-swimming fins, hydrodynamic shape and adjustable silicone straps for early grasp of all four strokes. Ergonomic DesignThe ergonomic holes on the paddle board reduce shoulder strain and fatigue, and provide a better sense of water. The convex design of the hand oar increases the traction of the water. Training AidThe hand paddle has many drainage holes and water channels, and the low impact force allows you to exercise your muscles safely.Specification: Material: PC Color: Silver Size: About 19.5*13.6 cm/7.68*5.35 inch(L x W) Package included:1 pairSwimming Paddles