This swimming hand paddles can effectively help swimmers keep their forearms vertical, correct swimming posture, increase swimming speed and fully enjoy swimming.The strapless design is ergonomic, conforms to the natural contours of the hand, and teaches you to work properly throughout the swim.Humanized left and right hand logos, so that you will not wear the wrong, if you do not maintain the correct stroke action, the hand paddles will fall, in order to remind you to adjust the swimming posture.While improving the water-drawing technique, the low impact force also allows you to safely shape your hand muscles.Versatile: A variety of swimming training aids such as butterfly stroke, backstroke, breaststroke and freestyle.Name: Strapless Swimming Training Hand Paddles Correct Swimming Posture Increase Swimming SpeedSize (approx.):L: 20.5 x 17cm/8.07 x 6.69inInstruction:L is suitable for adult malesFunction: Correct the stroke posture. Increase swimming speedColour: as shownMaterial: PVCPackage Contents:2 x swimming hand paddlesOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.