Fitness Equipment Sit-up and Push-up Bar - Budh Vihar DelhiHeigth Adjutable: Sit up machine can adjust to three different gears for any foot size by a flexible spring buckle, helping to hold your feet in place during exercise. High Material: Selected super elastic wear resistant eco friendly foam material, comfortable and safe, protects the instep from pain, as well as not hurt your foot. Wide Use: Can be used for roll belly movement, push ups, sidekick, sit ups, stretching back and elbow plank, press ups to