Signature Sleep RenewFoam Infused Memory Foam and Independently Encased Coil Mattress, 8-Inch Coloma ticking in outer cover helps keep the body fresh and cool Top Layer of Gel infused memory foam allows for a cool night's sleep Independently Encased Coils ensure an uninterrupted sleep Available in Twin, Full, Queen and King Size CFR1633 Compliant Coolmax ticking in outer cover helps keep the body fresh and cool. Top layer of Gel infused memory foam allows for a cool night's sleep. Independently Encased Coils provide an uninterrupted sleep. Available in Twin, Full, Queen and King Size. CFR1633 Compliant.