COOLING FOAM KNEE PILLOW - Unique design is made of charcoal infused foam with a layer of cooling gel to keep you cool and comfortable all night long. HELPS RELIEVE HIP AND BACK PAIN - This cooling knee pillow supports and aligns your lower body, relieving pressure on your back, hips and knees. CONTOURED DESIGN - Pillow snugly fits between your knees for better sleep, and the contoured shape won't slip or move, staying in place all night long. GREAT FOR SIDE SLEEPERS - Side sleepers love the gentle support it offers. WASHABLE COVER - Includes a removable, machine washable cover for improved hygiene. Measures 9-7/8' x 7-7/8' x 6'.