Agility Hand Paddles Paddles will remain in place if you keep a high elbow throughout the pull phase of your stroke (early vertical forearm position). No broken or uncomfortable straps forcing you to fight with the water. Convex design brings awareness stroke imperfections and increases your feel for the water. Low-impact, will allow you to build muscle safely. Creates proper hand placement &#8211; Apply pressure with your palm to keep on, do not grip. Versatile tool for butterfly, backstroke, breaststroke and freestyle. Made of durable ABS plastic to last you countless swims in the pool, lake or ocean!. Model Number: 1.05.145. Made in China.