The CAP Barbell Door Sit Up Bar lets you get an abdominal workout almost any place that has a door, making it easy to keep in shape at home. Constructed of sturdy steel, this sit-up machine is durable. With foam padding providing cushioning comfort for the back of your legs, this doorway bar is both effective and comfortable to use. Adjustable to fit securely, this CAP Barbell Door Sit Up Bar works with almost any door and is designed to work with and fit under closed doors. The convenient size of this sit-up machine allows you to carry it easily, making it easy to exercise at home or on the go.