Designed to have your little one smiling in their sleep, the Dream On Me Baby Fairy / Swan / Zzz 5 inch Foam Crib and Toddler Mattress is constructed of quality, fireproof fiber. Made to fit a full-size crib, it delivers a plush yet firm foam sleeping surface for your baby that cradles their growing body with care and safety. The Baby Fairy / Swan / Zzz 5” Foam Mattress is waterproof and stain resistant with a machine-washable outer cover that’s easy to remove. This breathable foam mattress is safety conscious with a BSA certification, and added design element of a hidden zipper. It comes with a 7-Year Warranty and dimensions of 52” L x 28” W x 5” H.