Features: 1. Perfect Home Fitness Equipment: The hamstring curl strap can be applied in Sit-ups, Core training, Razor curls, Spanish squats, Core twists, and more. 2. Adjustable: Buckle adjustment and metal mouth buckle adjustment, simple and convenient, adjustment range 54 - 26cm. 3. Core Workout: The curl strap is the perfect waist and abdominal workout equipment, allowing for you to practice better core workout form by keeping your feet planted on the floor and maximizing core abdominal and hip flexor muscle activation. 4. Convenient And Portable: When not using it, you can roll up the workout strap for legs and put it in backpacks, suitcases, won't require much space, easy to carry to your dorm, office, hotel, and other places, so you can exercise even when travel. 5. Sturdy Material: The Center bar of hamstring curl strap is made of steel, provides maximum stability and control. Thicker with curved non-skid cushioned high-density foam pads provide comfortable ankle or foot support. Specification: Material: Nylon Product Color: Black Product Size: 28cm Product Weight: 200g Package Included: 1 x Hamstring Curl Strap Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.