Memory Foam Pillow /% Bamboo Polyester Blend CoverTHIS IS NO ORDINARY PILLOW- The Ka Ua Cervical Support Pillow is meant to help support your neck, back, knees, and other joints. The firm 4 inch pillow will work for most people, but not everyone. PLEASE CONTACT US IF YOU ARE HAVING ANY ISSUES WITH YOUR PILLOW. WE WILL DO EVERYTHING IN OUR POWER TO HELP YOU.SPEND THE NIGHT WITH YOUR OWN PREMIUM KA UA (HAWAIIAN RAIN) ? SUPPORT PILLOW- How many hours have you lost to recurring aches and pains? Create more quality time for yourself with the right cervical support.LONG LASTING QUALITY AND MATERIALS- Single piece memory foam construction guarantees that our pillows will never lose their shape or settle. This investment in your health will last for years.PREMIUM REMOVEABLE BAMBOO PILLOW COVER- Hypoallergenic, plush bamboo cloth pillow case is removable and machine washable with a comfortbale, low-profile zipper.PERFECT SIZE FOR HOME AND TRAVEL- Our 4 Diameter x 17 Length memory foam bolster pillow is big enough to rest both knees, small enough to fit in your carry-on, and will not take up the whole bed.