Stability Trainer Black X Soft Heating Units Knee Medium Cuff Only * Procedure Mask Ultra Pleated Knee Medium Cuff Only * Measurement: 18 23 measured 6 above knee cap * RailTM Not Included) for the following items * PT WR32L PCW * PT WR28L PCW * PT WR32R PCW * PT WR28R PCW * PT FIX32L PCW * PT FIX28L PCW * PT FIX32R PCW *PT FIX28R PCW * 1105 * #23323 * X Soft Black * 17 Shipping Carton Size: 16 L x 14 W x 4 H *Theraband© Stability Trainer is used to improve motor skills and balance particularly among the elderly and for knee back and ankle rehab * Two foam pads of different densities and one air filled cushion allow users to work through progressive levels by standing on a pad * The green Stability Trainer is firm and provides a beginning level of challenge * The blue Stability Trainer is soft and introduces an increased level of challenge to the user * For maximum challenge use the new extra soft black Stability Trainer