Easily increase the height of your aerobic step with the Everfit step risers. Where each step riser will increase the height of your aerobic by 5cm, you can now perform all sorts of aerobic routines and have a professional workout even when you're at home. Improve your cardiovascular fitness, train your body coordination, burn fat and tone up your hips and thighs! Save money and time from travelling to the local gym. It's that easy!