RECOMMENDED AGE RANGE: For toddlers and kids age 2-5.REVOLUTIONARY PATENT-PENDING DESIGN: Adjust the pillowtms firmness level by zipping or unzipping the sidesFor firm support, zip up both sidesFor medium support, unzip one sideFor soft support, unzip both sidesEASY TO CLEAN: Natural cotton pillowcase is removable and machine washableGREENGUARD Gold certified: recognizes products with low chemical emissions, contributing to healthier environments