Premium TPR Material- AIKOTOO pedal resistance band is made of environmentally friendly TPR material, which is solid, thick and has high tensile strength and good elasticity( can be stretched to 8ft with maximum 100lbs of force). The exercise bands for working out adds steel tubes in non-slip handle and foot area to make the exercise equipment more durable and long use. Elastic Pull Rope Fitness Equipment- High-quality resistant yoga equipment, workouts for shoulder, back, abdomen, waist, arms, legs. The workout resistance bands for women with handle and pedals also can be used as a abs workout equipment, great for doing sit-up and seated exercises, improves stretching and flexibility.