Shredded Style Combination Pressure Relieving Memory Foam Pillow That NEVER GOES FLAT! Doctor Created To Provide Proper Postural Support and Pressure Relieving Technology That SELF-ADAPTS TO ANY POSITION AND KEEPS YOUR SPINE IN PROPER POSTURAL ALIGNMENT. Also Works Great With CPAP Machines. FULLY MACHINE WASHABLE PILLOW! Now With Zipper Removable Outer Cover To Allow For Easy Adjustment of Thickness and Comfort. Conforming Shape Orthopedically Supports the Neck For Side, Stomach, & Back Sleepers. Our Kool-Flow Soft and Luxurious, Extra Breathable Micro-Vented Cover Made In The U.S.A. with 43% Viscose of Bamboo, 56.4 percent Polyester, .6 Percent Lycra KEEPS YOU COOL ALL NIGHT LONG! Making America's Best Pillows for over 18 Years, 2012 Audited and MADE IN USA CERTIFIED Bed Manufacturer Using Eco-Friendly Biogreen & Certipur-US Certified Foam. Hypoallergenic & Dust Mite Resistant. Rolled & Vacuum Sealed For Eco-Friendly Shipping. We use a combination of Biogreen and CertiPUR-US Certified foam tested and shown to be MADE WITHOUT ozone depleters, PBDE flame retardants, mercury, lead and other heavy metals, formaldehyde, without phthalates regulated by the Consumer Product Safety Commission and Low in VOC (Volatile Organic Compound) emissions for indoor air quality (less than 0.5 parts per million)