Dreamfoam Bedding Ultimate Dreams Twin/Full Crazy Quilt with 7-Inch TriZone Mattress This option is for One Twin and One Full Size mattress; Perfect mattress for bunk beds, day beds, trundle beds or standard bed setups Tri Zone construction offers a great support and comfortable feel for all sleepers This mattress is built with 6.25 Inch Tri Zone core and a .75 inch quilting layer Made in USA with Certi-Pur Foam Unbeatable Value and Quality!