Our Core Plus Reformer mimics the resistance action of a Pilates reformer using lightweight resistance bands joined in an X-shape. Get a dynamic resistance workout that tones, strengthens, and stretches your entire body in the gym or comfort of your own home-no bulky equipment or trip to a Pilates studio required. Increases flexibility Strengthens core Includes: Resistance band with four loops/comfort-cushion grips Digital 45-minute workout with Mari Winsor Measurements: 2.5" x 10" x 7" Materials: RUBBER TUBES, PVC HANDLES.