NOTE:Suitable for Adults and Junior, Not for kids ,Please measure the size:regular size (Maximum selection) is aboout 8.52 x 6.02 inches, plus size (Options for large hands) is about 9.45 x 6.5 inches [OPTIMISED AND IMPROVED] The updated design of the swim paddle hand have been lengthened and we are giving away 2 pairs of long and short wrist straps for you to choose from, eliminating the problem of the wrist straps falling off during swimming and greatly increasing the resistance of swimming. [ERGONOMIC DESIGN] The sea turtle surface design of the hand paddles increases traction on the water, the wider surface area helps the swimmer feel the proper hand position for water entry and allows you to exercise your muscles safely. [ADJUSTABLE STRAP] The strap is made of silicone material, and the length of the shoulder strap can be adjusted to the most comfortable state for the palm. It will not obstruct the blood flow of the palm. It is not easy to slip when swimming and improve the swimming safety. [EXTREMELY COMFORTABLE] The hand paddles are made of high quality PC material, light weight, not easy to bend, with many drainage holes and waterways, the smooth design can push more water and create a smooth pulling trajectory, reduce shoulder burden and fatigue, let you have a better feeling of the water. [Applicable Population ] Adults and teenagers who want to improve their swimming skills. Help you practice swimming strokes such as freestyle, backstroke, breaststroke, and butterfly. The swimming training paddle's size is: Medium size is aboout 8.52 x 6.02 inches, Large size is about 9.45 x 6.5 inches（Not applicable to kids） swim paddles swim hand paddles swimming paddles for hands hand paddles for swimming swimming paddles swim paddles hand swimming hand paddles swim Paddle hand for swimming swimming hand paddles for women and men swimming adult swim paddles for lap swimming