Your baby firmly supported in comfort on the Nirvana Spring Coil Mattress by Dream on Me. Constructed with quality materials and workmanship. This lightweight mattress offers 96 durable, interwoven, heat tempered, steel coils providing supreme comfort and support. A protective polyurethane foam wrap on each side delivers a plush sleeping surface. Features include a hypoallergenic; foam Insulating layer and lock-stitched waterproof binding for lasting durability and a layer of Fire blocker, a blend of fibers that help isolate the impact of a fire and limit its spread. The phthalate and lead-free, triple laminated waterproof cover is stain-resistant to help protect against liquids leaking inside. Wipes clean with mild soap and water. Meets the 16 CFR 1632 /1633 Federal Flammability Standards and carries a 30 days warranty manufacture.