Superior firmness for infants and toddlers with a 204 innerspring coil system and additional core structure like full perimeter border wire and anti-sag weight distribution bars. This durable crib mattress offers comfy cushioning and an antibacterial waterproof cover for a protected sleeping environment for your baby. Available for Online Purchase Only. Assembly required. This product ships direct from the manufacturer, so RC Willey Delivery is not available. 204 heavy gauge interlocking steel coils are heat-tempered for strength and durability Steel vertical support bars distribute baby’s weight evenly over the entire surface of the mattress GREENGUARD Gold Certified: This entire mattress is GREENGUARD Gold certified for indoor air quality and low chemical emissions to help create a healthier sleeping environment for your baby Mattress also fits toddler bed frames All-around border rods keep the sides, corners and edges firm-just like an adult mattress Two non-allergenic layers provide long-lasting durability and support