Vivo Ergonomic Height Adjustable Foot Rest Relief Platform, Elevated Stool, Ft01 Health Benefits - Reduces stress and exhaustion that may result from prolonged periods of standing or sitting during work. Prop a foot up to alleviate leg and back tension Adjustment - Features multiple points of height adjustment to help find the most convenient and comfortable position for your feet (height range 5" to 10-1/4") Anti-Slip - Textured platform surface prevents your feet from slipping while padding on bottom of footrest prevents the stand itself from sliding around on the floor Frame - This 9.8" x 15.7" platform provides plenty of room for your feet. Get your stand ready to use in no time with minimal assembly and all necessary hardware and instructions included We've Got You Covered - Sturdy steel design is backed with a 3 Year Manufacturer Warranty and friendly tech support to help with any questions or concerns