Your baby will curl-up in comfort on the Twilight Spring Coil Mattress by Dream On Me. Constructed with quality materials and workmanship this mattress is manufactured with pride in the USA. This mattress offers 80 durable, interwoven, heat tempered, steel coils providing supreme comfort to support his or her growing bones. A protective polyurethane foam wrap on each side delivers a plush sleeping surface. Features include a foam Insulating layer and lock-stitched waterproof binding for lasting durability and a layer of Fire blocker. The Dream on Me mattress meets the 16 CFR 1632 /1633 Federal Flammability tests. The triple laminated waterproof cover is stain-resistant to help protect against liquids leaking inside. Safety is our priority, Dream on Me Twilight Mattress is Greenguard Gold Certified, JPMA Certified and ASTM Certified.