2” SEALYCOMFORT GEL MEMORY FOAM: This cushioning gel memory foam layer conforms to the shape of your body, providing tailored pressure relief and support where you need it most 2.25” SEALYSUPPORT TRANSITION FOAM: This additional layer of high-density foam enhances the overall comfort of the full size mattress in a box by offering extra support and durability 7” SEALYRESPONSIVE ENCASED COILS: Featuring individually encased coils, this full size bed mattress provides targeted support across the entire surface, allowing for independent movement and reduced motion transfer CERTIPUR-US CERTIFIED: The Sealy Dreamlife mattress foam meets the strict standards set by CertiPUR-US, ensuring it is made without certain harmful chemicals including formaldehyde, ozone depleters, phthalates regulated by the U.S. Consumer Product Safety Commission, or mercury, lead or other heavy metals. SURFACE-GUARD TECHNOLOGY: Built-in antimicrobial protection with Surface-Guard Technology helps prevent the growth of bacteria and the buildup of allergens on the mattress surface