Help your baby sleep or play anywhere with this three-in-one portable folding crib from Dream on Me. This folding crib converts to a playpen or changing station quickly, and you can fold it flat with one hand for easy storage. Locking wheels and a stationary rail system ensure safety, and a mattress pad is included for your baby's comfort. Includes a mattress pad Made of Birchwood Stationary rail design, (non-drop side) Dual safety hooded locking wheels Meet the CPSC and ASTM standard All tools for easy assembly included PATENT #681746 / 8479328 B2