Ideal for patients that need balance retraining * The steps are made of multiply birch plywood and are covered with foot friendly carpet * Therapy Steps assist the Physical Therapist in the retraining process and helps improve muscle response and reduce the risk of falling * The steps come in a set four with heights of 2 4 6Ê and 8 * When not in use the steps can be nested for storage * Each stool is covered in a low pile carpet for barefoot comfort * Space saving unit of four nested stools can be placed in many patterns * Dimensions: (1) 20 L x 16 W x 8 H (1) 18 L x 14 W x 6 H (1) 14 L x 12 W x 4 H (1) 12 L x 10 W x 2 H * Shipping Carton Size: 22 L x 18 W x 10 H