Ergonomic Design: The high-density soft foam covering handle is comfortable and non-slip while avoiding ankle injuries. Crunches with double-row support bars strengthen your heels for a more efficient and balanced workout to help you get in perfect shape. Stable and Comfortable: A really sturdy sit-up aid The center bar of the hamstring curl band is made of steel for maximum stability and control. Thicker, curved, non-slip, cushioned high-density foam padding provides comfortable foot or ankle support, and thickened nylon webbing ensures long-time use. Adjustable Straps: The hamstring curler is easy to use and allows you to adjust the straps for a better fit or comfort. Just adjust the strap when use, place this device under the door, close the door and insert your foot or leg so you can quickly enjoy your sit-up training. Easy to Carry & Store: When not in use, the leg training straps can be rolled up and stored in backpacks, suitcases, and do not take up much space. Easy to carry to dorms, offices, hotels and other places. So you can train even while traveling. Exercise Equipment: The hamstring curl band is the perfect waist and abdominal exercise equipment to allow you to practice better sit-up form by placing your feet on the floor and maximizing activation of your core abdominal and hip flexors. Features: 1. The hamstring curl strap is the perfect waist and abdominal workout equipment allowing you to practice better sit-up form by keeping your feet planted on the floor and maximizing core abdominal and hip flexor muscle activation. 2. With high-quality steel tube, woven strap, and foam, comfortable and reliable to use, easy to maintain, and resistant to breakage or wear. You don't have to worry about your legs being uncomfortable. 3. The soft foam-covered sit-up equipment with double-row support bars strengthens heel force, making your exercise more efficient and balanced, and thus you will have a perfect shape. 4. The hamstring curler is easy to use and allows you to adjust the straps for a better fit or comfort. It is widely used for sit-ups, squats, abs, core exercises, and other workouts. Great for adults, teens, and other fitness enthusiasts. 5. The workout equipment is easy to carry to offices, bedrooms, living rooms, parks, etc. It can be rolled up and stored in backpacks or suitcases when not in use and does not take up much space. Specification: Colour: Black Material: ABS+foam Size: about 31*48*CM/12.2*18.9*IN Product List: Nordic hamstring curl belt*1 Notes: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color which is showed in the pictures. 2. Please forgive a slight measuring deviation due to manual measurement.