Sleek and classic, the Storkcraft Steveston 4-in-1 Convertible Crib will make a stunning statement in your child's nursery. This crib is crafted with a three-position, adjustable mattress base and converts into a toddler, day, and full-size bed with headboard and footboard. This clean-lined piece features solid pine wood and engineered wood construction and includes available non-toxic finish options. The Storkcraft Steveston 4-in-1 Convertible Crib is JPMA, CPSC and ASTM safety certified, ensuring your child has a safe sleeping environment to dream sweetly in (Storkcraft toddler guardrail, Crib mattress, Full-size mattress, Full-size bed frame sold separately). A note about wood composite or engineered wood: Often referred to as “MDF,” which stands for “medium density fiberboard,” this type of wood composite is made of compressed wood fibers and has several benefits, including affordability, consistency, and resistance to warping or rotting over time.