NYOrtho ZERO G Heel Pillow™, 1 Each Surgical Headcovers 4 x 18 Pk 3 * Style:Right Ear 4 x 18 Pk 3 * Ideal for holding Cold Packs in place * Makes excellent sling and extremity wrapper * Sold in packs of 3 * Retail boxed * Memory Foam * Blue cover * Ergonomically designed to provide ideal spinal alignment and a therapeutic sleep posture to reduce head neck shoulder and back discomfort * Can also be used under the back knees or ankles * The high quality memory foam reacts fast to provide instant relief and comfort and provides slow memory foam recovery for longer support * The removable soft polyester and rayon cover zips off easily for machine washing * Hypo allergenic * relaxing the spine and decreasing lower back pain Slip resistant bottom prevents sliding