The Brentley gray mini convertible crib and changer is a beautifully constructed multipurpose crib which includes a one-half inch thick mattress and offers three levels of mattress support. The changing table is equipped with a changing pad with a restraining strap with an easy release buckle to secure baby safely in place. It is the perfect alternative for small spaces without giving up fashion, function, or safety. This mini crib can be converted to a day bed. It also converts to a twin bed with a separate purchase of a standard twin metal frame. Bed linens are not included. Customer assembly required. Dimensions of included mattress: 38.25"L x 25"W x .5"H.