Welcome to my store TrailBlazer.vn! Description: 100% brand new and high quality Features: Item: Resistance Band Door Anchor Color: Black Material:ribbon+sponge The length of the ribbon is about 55cm Suitable to all kinds of resistance band Connect your resistance band and door frame Perfect in workmanship, resistance to pressure Durable nylon surface will not damage or scratch surface of door or frame How to use it? Step 1. Open the door. Be sure to utilize a sturdy door and one that closes towards you as you are doing the exercises, (this insure that the door is actually being pulled close as you stretch the bands) Step 2. Go behind the door and thread the loop of the anchor through the opening on the hinge side Step 3. Open the loop of the door anchor Step 4. Thread your elastic(s) through the loop of the door anchor package include:1pc Door Anchor HAVE A GOOD DAY!