Comfortable and Durable - This product is made with 1-inch THICK foam and an ADJUSTABLE strap so you can get the PERFECT fit without digging into your legs | Easy to Use - In just 10 seconds you can be set up and ready to exercise - Just slide 1.5-inch door anchor under your door, close the door and adjust the strap for a snug fit | Extra Versatile - This product can be used for sit ups, core training, squats, razor curls, and more | Compact Design - Do not miss a workout because you are ON THE GO or you cant get to the gym - The Nordstick's compact design allows you to bring this product with you ANYWHERE without taking up much space | If you are not satisfied in any way you can return this item to Amazon for a full refund!