Introducing the convertible crib, . The bed is made with high-quality pine wood , and is available in 2 non-toxic finishes . The crib features a 3-position adjustable Height mattress support base. the bed is certified American Society for Testing and materials (ASTM) safety standards to ensure the safest sleeping environment for your child. ; Assembly required; Mattress not included; For over 20 years,craft has been manufacturing quality Furniture for infants, toddlers, kids, and teens.