MASK, PROC LOOPS ASTM3 (50 BX 40BX CS) Heavy Duty Massagers Physician recommended Underpads Physician recommended 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 * Procedure Mask Ultra™ Pleated Earloops One Size Fits Most Blue NonSterile ASTM Level 3 Adult