Ideal for side sleepers, this specially-contoured pillow helps to properly align your spine, stabilize your hips and cushion your knees while you sleep to help ease lower back pain. It features a memory foam outer layer with cooling gel that conforms to your legs and knees for all-night comfort. And, it has an inner core that is infused with charcoal to help absorb moisture, eliminate odors & regulate temperature. Includes a breathable mesh pillowcase that's removable and machine washable. Polyester and polyurethane. 7 3/4"L x 6 1/4"H x 10"H.