Tough, durable steps feature a convenient stacking design for simple height variations and easy storage. All have 6 non-skid rubber feet underneath for safety. Raised-dimple top surface provides added traction. Supports users up to 225 lb. 26"L x 15-1/2"W. Available individually or in ClassStep™ Packs with the Magnus™ ClassStep™ ABS cart and Step Aerobics DVD.