WonderSleep Shredded Memory Foam Pillow For Home & Hotel CollectionAdjusted Comfort [Set of 2 Pillows] 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 80% shredded memory foam and 20% polyester-fiber, 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.Note: Here are some tips to help the odor disappears more quickly1. Separate outer pillowcase from the inner pillow and use machine wash cold and liquid detergents if needed; Do Not use bleach. 2. Resting the inner case/pillow under the sunshine and open areas to release the smell. 3. And/or Open your window and lean that pillow against the window screen, changing sides periodically