Knee Pillow Orthopedic Memory Foam Cover Bamboo Cover Cotton Velour Grey Size Universal (10 x 8 x 5.5 inch) Features of Knee Pillow Brings you in Healthy Sleeping Posture. Designed for side sleepers �¢?�¢ Contour the design keeps knees separated with ideal spacing to align spine, legs, and hips �¢?�¢ Made with 100% Pure Memory Foam High Quality Washable Bamboo Cover Use of Knee Pillow Use for Side Sleepers