Features 1、Premium Material: Made of premium latex, the swimming arm strength trainer has elastic bands with high tension, non TPE, soft, durable and has good flexibility. 2、Ergonomic: The hand paddle of the swimming arm trainer fits for ergonomics, which can fit to the palm, sturdy and wear resistant, comfortable to use. 3、Wear Resistant: The premium strap of swimming resistance bands set is durable, wear resistant and collapse resistant, a good training tool when swimming. 4、Clip Design: With a clip design, the black arm strength trainer can be fixed on the door, safe and non slip, convenient for indoor and outdoor training at any time. 5、Thickened: The seams have been multilayer reinforced, which effectively increases tensile strength, not easy to damage, safe for you to use. Item Type: Swimming Arm Strength Trainer Material: Latex Weight: Approx. 435g/15.34oz Color: Black Size: Latex Tube: Approx. 4x12mm/0.16x0.47in Package List 1 x Swimming Arm Strength Trainer 1 x Storage Net Bag