The Cozyway RV Bunk Mattress provides superior comfort and support for a better night's sleep. Designed for therapeutic relief of aches and pains, the Cozyway Mattress has a Comfort Core that's made to breathe, offering maximum support and extended durability. The Cozyway RV Mattress is made with CertiPUR-US Certified Foams that are formed without ozone depleters and without PBDEs, TDCPP, or TCEP flame retardants. CertiPUR-US Certified Foams are made without mercury, lead, and other heavy metals, without formaldehyde, and without phthalates. They're made with low VOC emissions for indoor air quality.• Superior durability• Excellent energy return• High resiliency• Premium support• Longer lasting Excellent energy return & high resiliency CertiPUR-US Certified Foams made without ozone depleters | Cozyway RV Curved Bunk Mattress, 50" x 74", 4" Thick | Mattress in a box