FIP1003 Features: * Crib mattress * Two mattresses in one, Extra firm side for infants, Firm side for toddlers * Completely hypoallergenic * Soft, stretch knit, wipe clean cover that meets stringent surgical standards: waterproof, antimicrobial, dust mite and bed bug proof * Consumer Product Safety Commission FR compliant 16 CFR Part 1633 * Ultrasonic welded side seams prevents ingress of fluids * Pocketed 288 firm innerspring unit with CertiPur-US, surgical grade foam surround * Extra firm internal side rails prevent side compression when standing * Exclusive square corners and edges eliminates gaps for proper fit in the crib Warranty: * Lifetime limited warranty against defects in materials and workmanship