Optimum Comfort Gel Cushion 18 x 16 x 3 Convalescent Care Precision sealed wheel bearings in Style:Left Ear Precision sealed wheel bearings in front and rear ensure long lasting performance and reliability 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 * * Unique channeled gel bladder prevents gel migration in high pressure areas * Gel channels provide relief over the entire cushion area * Foam base provides additional support * Inner foam core has a liner to protect the integrity of the foam * High end cover with straps * Meridian Optimum Comfort Gel Cushion (18 x 16 )