Boss Fitness Products - Heavy Duty Door Anchor QUALITY DESIGN: The Boss Fitness Products Door Anchor is made with thick heavy duty nylon webbing to withstand 400 pounds of tension. The Door Anchor Stopper is very large and soft, built to protect doors from scratching and denting. The Door Anchor Loop is made with an additional neoprene padding to help preserve your resistance bands from damage. VERSATILITY: Works on all points of the door. The Boss Fitness Products Door Anchor utilizes dense but soft foam, that is 3 inches in diameter and 1.5 inches thick. Therefore, it can secure your bands at all points, even if there is a sizeable space at the top and bottom of the door. This feature greatly increases the number of exercises that you can perform. PROTECTION: The soft foam end of the anchor (stopper) will help prevent scratching and denting of your door. This becomes important as you stretch the bands create great force between the anchor and your door. The front side of the anchor (loop) incorporates neoprene padding. This will help preserve your bands by creating a soft surface for them to press against when they are stretched. 100% SATISFACTION GUARANTEED: Boss Fitness Products Heavy Duty Door Anchor comes with a 30 Day Money Back Guarantee and a 1 Year Warranty. FULFILLMENT BY AMAZON: This product is fulfilled by Amazon and will ships to you faster! Free 2 day shipping for Amazon Prime Members.