This exercise stepper will help you improve your cardiovascular fitness and strengthen your lower body. The secure, non-skid surface can ensure your sporting activity safely for it gives you a firm footing and works your way up as your endurance and abilities improve. The aerobic step can be used to shape your hamstrings with alternating lunges and strengthen your chest and back muscle by doing push-ups. It is highly recommended when u want to keep fit and enjoy your professional aerobic step exercise. The stepper is ideal for work out classes or regular home use. Either at home or in the office, u can invite your friends or family to take exercise together to keep healthy and fit. Three levels that can be stackable are very convenient to meet various needs. Aerobic step will give u a unique and professional aerobic exercising experience.