[SET OF 2 Pillow] Adjusted Comfort - Wondersleep’s pillow features shredded memory foam filling that provides therapeutic relief for all sleepers. Add and/or remove foam filling to find the perfect comfort level and enjoy a personalized sleep experience. | Safe and Sound - Featuring premium fabric to ensure your pillow stays cool and luxurious through the night. The pillow is made from 100% shredded memory foam, providing personalized support to your head, neck and shoulders, relieving pain and enhancing your sleep. | Quality Materials - The pillow is wrapped in a breathable cover made up of 40% Viscose Rayon (via Bamboo) and 60% Polyester. It is dust resistant to provide users with undisturbed slumber. Also, the zippered cover and pillow are both machine washable. | Easy to Use - To decrease firmness of pillow, remove foam filling and adjust to your sleeping comfort. To increase firmness of pillow, add additional foam filling Or fluff pillow and redistribute the filling. | Limited 1 Year Warranty - Includes guaranteed one year warranty for your pillow from WonderSleep to protect against defects.