Made in the United States from durable, recyclable high-density polyethylene, the Step stackable aerobic platform is a high-quality addition to any workout program or home gym. The Step stackable step (22 L x 12 W x 6 H) blue aerobic platform can be used by itself or grouped with other stackable platforms to provide a varied aerobic workout. The platform features a nonslip, textured surface for added safety during intense workouts, allowing you to focus on making more progress during you're session. Stair stepper for exercise: These stair steppers provide a low-impact workout that's easy on your joints, making it perfect for all ages and fitness levels. Compact and versatile: Use this exercise step platform as a standalone workout tool or combine it with other equipment for a full-body workout. The perfect stair stepper for exercise!