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. The petal is Greenguard gold certified — certified products are screened for more than 10,000 chemicals and VOCs known to pollute indoor air. 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 a daybed, twin-size bed with high footboard configuration, and twin-size bed with low footboard configuration. This convertible mini crib and bonus crib mattress are jpma certified and meet or exceed all applicable federal safety standards. Rest easy knowing that the Petal 4-in-1 convertible mini crib is backed by Storkcraft's 1-year limited warranty and supportive customer care. 3-inch foam crib mattress included. Crib conversion kit sold separately. Exclusively from Storkcraft, proud recipient of the 2022 women's choice award for 9 out of 10 customer-recommended baby & kids furniture.