Step up the intensity of your fitness routine with the Radius Round Aerobic Step. This sturdy circular platform is made of premium-grade plastic, can support up to 350 lb, and is well suited to both indoor and outdoor use. Integrated grooves on the bottom of the platform allow for a resistance band to be slipped under and used to intinsify your cardio workouts! Whether you are a fitness beginner or an advanced-level pro, this step platform is perfect for a variety of fitness activities and can help increase calorie burn while improving coordination, balance, cardiovascular health, and muscular endurance. The Radius Round Aerobic Step features a textured 16" diameter top with an 18” diameter base and 4.25” height. It is ideal for home gym, fitness facility and group training use. It features a compact, lightweight design making it easy to move and store. Made in the United States, this step is a must-have for those who want to add a space-saving aerobic step to their fitness routine. The Radius Aerobic Steps can be stacked FOR STORAGE ONLY.