Knee Pillow Memory Foam Default Minor Category Features 100W max power in Two 1 inch urethane Features 100W max power in continuous mode Ample height adjustment options coupled with a two button folding mechanism make ProBasics Folding Walkers easy to use and accommodating to the most demanding patient needs 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 *