You can create more happiness by exercising with your friends and family. Premium MaterialThe door anchor strap is made of foam, ABS core and thick nylon webbing, which is portable, durable and can be used for a long time. Easy to InstallFirst put the sports belt door anchor through the upper door seam, close the door and fix the anchor point, then put the sports belt through it. PortableConnect resistance strips and door frames, allowing you to use at home, hotel or other places Safety in useThe door anchor is equipped with thickened foam buffer wheel, which will not cause damage to the door during use. You can effectively train your biceps, triceps, pectoralis major, back or other parts of your body. Quantity shipped: 8 pieces Product color: black Product size: 3.5*4.5cm