CertiPUR-US Certified: 100% CertiPUR-US certified shredded memory foam fillings for you to enjoy a good night's sleep with safety-guaranteed materialVersatile Pillow: can be used as a normal head pillow, leg rest pillow for side sleeper or back pillow on bed or couchFirm Support: firm support that slowly molds to the curve of your head and neck while sleeping, ergonomic support for you back while sitting upAdjustable Shape: the pillow's size is 26 x 17 inches, can be fluffed up or thinned out for the perfect height, suitable for both children and adultsZipped Bamboo Fabric Cover: the bamboo fabric cover is anti-microbial, hypoallergenic, breathable and machine-washable