This firm, yet luxurious mattress is made with multiple layers of certified CertiPUR-US foam to provide the perfect balance of support and pressure-relieving comfort. You can depend on the Foam Encased VertiCoil support system to deliver consistent and stable sleep for the life of the mattress. The 1885 Collection Firm mattress will deliver your perfect night of sleep, night after night. The height of this mattress is 11.5". The Luxury Firm mattress is backed by a 10 Year Non-Prorated Warranty.