The Sealy Bella Standard Crib is a 3-in-1 crib that transitions into a toddler bed and daybed with optional conversion kit. The functional mid-century design features elements that provide ease of use and lasting beauty. 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. 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. The cushioning is supportive and thick enough so your baby won t feel the coils. The entire mattress wipes clean with a damp cloth and is light enough to lift to change the sheets easily.