Dual Comfort Chair Cushion 18 W x 16 D X 4 H Jobst Relief 15 20 Knee Highs Up to 1000 patient cases stretchable sides so you Up to 1000 patient cases can be edited and supervised Single Rack * (5 Rolls) * Pre assembled light weight (12 pounds) stackable plastic rack holds 5 50 yard rolls of Cando© Band (or any other brand resistive exercise band) * Unique rod in tube technology facilitates smooth effortless dispensing * Simply pull desired length of band and snip off with a scissors * Rack has attachment mechanism on top so multiple racks can be safely stacked * Rack can be screwed into wooden tabletop surface for added stability * Perfect for use in a fitness facility physical therapy center and anywhere resistive exercise band is dispensed * Designed for long term users of wheelchairs * Provides comfort for an entire seat or chair with soft comfortable covoluted foam and ties to secure it * Seat size is 18 W x 16 D X 4 H Back Size is 18 16 x 3 * Helps promote good posture while cushioning the body preventing sores and offering a slip free seat