NON-SLIP - The Phoenix Fitness Aerobic Step is designed with a non-slip reinforced platform. Rugged construction but easy and light to carry.LOW IMPACT - Ideal for low impact fat burning workouts in the gym or at the comfort of your home. 2 Heights available are 10cm and 15cm.CORE WORKOUT - Aerobic steppers can help improve leg strength as the step up and down action puts stress on the bones and muscles that helps them grow stronger and more flexible. Your core also engages as you step up and down, making it more stable.MULTI PURPOSE - Aerobic stepper is a great way to perform cardio exercises and can also help improve blood circulation, allowing muscles to receive more oxygen. If you are just starting out, you can use the stepper as a low impact exercise tool. More advanced users can add weights and resistance to their routine to increase the intensity.LIGHTWEIGHT - Compact and light. You can also adjust the height for a more intense session with the aerobic step box to aid in your cardiovascular workout. Step up your workout Great for fat burning, toning, core stability, improving cardiovascular health and muscular endurance, boosting stamina, co-ordination and balance. Also ideal for rehabilitation exercises.?