The amazing Crescent Knee Support will do wonders for your patients' comfort and your caring image. It raises the knees to a more natural position while reclined, reducing pressure on the lower back for remarkably better comfort. 16” wide non-memory foam core fits in all chairs. Fluid-resistant soft vinyl cover may be surface disinfected. Non-slip bottom. 10 1/2"H x 6"D. Available in beige, grey or teal.