The Storkcraft Petal 4-in-1 Convertible Mini Crib with Bonus Crib Mattress is the perfect choice for parents that have less space to work with, but still want to ""go big"" on design, details, and features. With its beautiful design and elegant details, the Petal is the perfect choice to get your nursery started. Unlike other mini cribs that only come with a mattress pad, the Storkcraft Petal includes a Jpma Certified, premium 2.75-inch foam crib mattress with water-resistant cover and breathable foam core. Designed to adapt to your growing baby, the Storkcraft Petal 4-in-1 Convertible Mini Crib has an adjustable crib mattress support base with 4 different height options, and easily converts from a conveniently-sized mini baby crib to daybed, twin-size bed with high footboard configuration, and twin-size bed with low footboard configuration. This convertible mini crib and bonus mattress are Jpma Certified, and meet or exceed all applicable Astm International and Cpsc safety standards.