14"X 40" GREY/ BLACK AEROBIC STEPPER WITH 4 RISERS INCLUDEDStep into fitness! Along with making you a better athlete, aerobic stepping will also benefit your overall health. It is an intense cardiovascular workout that will make your heart and lungs work more efficiently. Stepping also improves cardiovascular health, and muscular endurance, tones and strengthens legs and burns calories. This sturdy step offers a secure, non slip surface for your workout routine and makes an ideal choice for newcomers to step