MATERIAL AND DURABILITY: This exercise step is made of quality ABS material with a textured nonslip surface and can withstand a weight of about 550 pounds. HEIGHT ADJUSTABLE: The stepper is height adjustable with two settings to support aerobic exercise, fitness training, lowimpact and impact workouts; use both heights to challenge your routine. SAFE AND STABLE: A nonslip, nonstick, shockabsorbing surface ensures the platform stays in place and withstands the pressure of every lunge, pushup, and situp. PORTABLE EXERCISE: Keep it in your bedroom or garage for an athome workout, or take it to the gym or studio to participate in a group step class. USE CASES: Athome cardio and strength training with stepups, lunges, incline pushups, and situps; bring to group step classes at a gym or studio for circuit training; compact design is easy to store in a bedroom or garage and portable enough to carry to the gym.