Details & Features: The mini Step platform (18 X 11 X 3 Inches) is so easy to transport and store and takes up very little space Adjustable risers lock in under the platform, allowing you to start with an easy workout and up the intensity by raising the 3" platform to 5" Additionally, the size of this step makes it the perfect piece of equipment for home or office use The platform can support up to 330 pounds and has a safe shock absorbing, nonslip surface WARRANTY: This product is backed by a 90-day manufacturer's warranty period