Pilates Door Exerciserbuilds strength and stamina without bulky, expensive machinery. All fitness levels can see results in just minutes a day! Just anchor totop and bottom of any doorway. Resistance training works upper and lower body. Use while facing toward or away from the door. Stretch cords have padded grips for maximum comfort. Convenient and portable - great for use on the road, in theoffice, or at home. Plastic, 7 1/2 x 7 1/2 x 3''.