Serenia Sleep 8-Inch Memory Foam RV Mattress, Full Full 54 x 75 size 2 of 2.5 lb density memory foam on a 6 supportive base foam with a soft 4-way stretch knit cover (fabric may vary slightly from picture) Temperature sensitive memory foam is open-cell construction, disperses weight evenly and gives a cooler sleeping experience than traditional closed-cell foam Mattress is crafted in the USA with superior workmanship and quality CertiPUR-US Certified. Limited manufacturers warranty