Sealy Baby Firm Rest MattressMore babies sleep on a Sealy than any other brand, making Sealy the #1 crib mattress brand in the USA. The Sealy Baby Firm Rest crib and toddler bed mattress is built extra-firm with 204 interwoven steel coils for firmness and lasting durability. Full perimeter border wire keeps the edges firm and weight distribution bars help prevent sagging. Double support and comfort layers wrap around for a firm yet comfy sleeping surface. Hospital-grade Staph-Gard cover is wet-proof and helps protect against allergens. Wipes clean with a damp cloth. Fits both cribs and toddler bed frames. 20 year warranty on workmanship and materials. Meets or exceeds all flammability, lead, and phthalate testing and does not contain toxic fire retardants. GREENGUARD Indoor Air Quality Certified - this mattress has demonstrated compliance with the GREENGUARD Environmental Institute's low chemical emissions standards. The GREENGUARD Environmental Institute is part of the UL Global Network and is a not-for-profit, third-party organization.