SAFE OPTION FOR YOUR BABY: This crib is JPMA certified to meet or exceed all safety standards set by ASTM ; We know chemicals have no place in your nursery, so we use a non-toxic multi-step painting process that is lead and phthalate safe QUALITY MATERIAL: Made of sustainable New Zealand pine wood and TSCA compliant engineered wood ; Tested for lead and other toxic elements to meet or exceed ASTM safety standards ; Assembled Dimensions: 55”W x 30.5”D x 36”H ; Easy to assemble 4-IN-1 CONVERTIBLE CRIB: Converts from a crib to a toddler bed, daybed and full size bed with headboard & footboard (Daybed Rail included; Toddler Guardrail #0080 and Full Size Bed Rails #0050 sold separately) ADJUSTABLE HEIGHT: Adjustable height mattress support with 3 convenient positions to grow with your baby COORDINATING ITEMS: Uses a standard size crib mattress (sold separately) ; To ensure the perfect fit pair your crib with a Delta Children, Serta, Beautyrest or Simmons Kids crib mattress