The Sealy Bella Convertible Crib is a 4-in-1 convertible crib that transitions to a toddler bed (with optional toddler rail) daybed and full-size platform bed (with optional bed rails). The Bella Convertible Crib is a highly functional system wrapped up in a stunning mid-century clean design that will be the focal point of any nursery. The solid wood construction and built-in hardware provides a sturdy crib without any loose parts during the quick and easy assembly while the three adjustable mattress positions provide just the right height for you and baby. The full-size platform bed conversion makes for a smooth transition for young toddlers transitioning from a daybed. This Sealy Ortho Rest Crib Mattress is a firm crib mattress for infants that is also comfortable for toddlers. The Sealy Ortho Rest uses 150 durability-tested interwoven coils for excellent firmness that you can depend on. Two hypoallergenic layers cushion the innerspring core for lasting comfort on both sides.