Carefully crafted, the Kingsdown Brennehan mattress is perfect for young sleepers. Its Full Body Surround edge support system encases the entire mattress with high-density foam to provide a complete sleep surface that reduces the chance of falling off the bed. Created with fire retardant properties, a luxurious quilt cover features high loft fiber with polyurethane foam for soft cushioning. A Flexatron base layer cradles and reinforces the coil unit, built for lasting support. 10 Year Non-Prorated Warranty