Knee Pillow Memory Foam Electronic Stethoscopes Capacity of 300 lbs * Jobst Ultrasheer 30 40 ThighHi Capacity of 300 lbs * Steel base * Easy to read dial * White * Non slip mat * 1 year warranty ** Platform Dimensions: 11 3 8 x 9 7 8 Replacement Caster 5 x 1 1 4 *HD Casters Have Threaded Stem For Extra Security And Safety *All Single Wheel Castes Come With Removable Bolt And Locknut Allowing Disassemlby For Easy Cleaning And Removal Of Build Up Grime Thread Or Anything Else That Your Wheel Picks Up During Normal Usage *This Caster System Will Add Longevity To Your Casters *Swivel: Double Ball Bearing With Hardened Raceways For Extra Strength *Cover: Helps Protect Swivel Bearings *Construction: Heavy Guage Cold Rolled Steel Formed For Strength Ergonomically designed to provide ideal spinal alignment to help reduce lower back leg hip ankle or joint pain * Sleeping or sitting can be difficult for those with back leg hip or joint pain * A knee pillow when placed between the legs keeps your legs hips and spine parallel and aligned* This results in improved circulation and decreased pressure and strain on those areas * The high quality memory foam reacts fast to provide instant relief and comfort and provides slow memory foam recovery for longer support * The removable soft polyester and rayon cover zips off easily for machine washing * Hypo allergenic * 10 1 2 L x 8 W x 7 3 4 H *