Pinit Rolyan Knee Elevator Optional Vinyl Cover SKU PER081405901 $12.93 Available to order Quantity -+ Add to Cart Details Designed to increase circulation to the legs and relax the spine, the Rolyan Knee Elevator gives users ideal positioning. The elevator helps reduce pa... Details Back DetailsDesigned to increase circulation to the legs and relax the spine, the Rolyan Knee Elevator gives users ideal positioning. The elevator helps reduce pain in the lower extremities. The cotton/polyester case of the foam is washable.