CaviCide1™ Surface Disinfectant Cleaner, 1 Each Bins Medium knee sleeve will fit Style:1 Pair (Left & Right) Medium knee sleeve will fit left or right knee and is machine washable Contoured to ergonomically support the natural alignment of your neck for outstanding comfort while you sleep * Heat and pressure sensitive memory foam gently cradles your head and neck hanging shape as you move to provide responsive support all night long * Designed to decrease morning pain and stiffness resulting from poor neck support * Helps you maintain proper cervical alignment by filling in the natural contour of your neck without lifting or tilting your head whether you sleep on your back or your side * A larger or smaller contour provides a choice for the most comfortable and supportive height * Composed of hypoallergenic polyurethane foam * Includes a machine washable pillow cover with nylon zipper * Fits any standard size pillowcase * Great retail packaging * Fragrance free 1 step cleaning and disinfecting