Denver 326393 Narrow King Size RV Supreme Euro Top Mattress White High density foam core offers proper sleeping support Euro top design provides luxury comfort and conformability to pressure points 1.8 lb. high density foam and plant-based foam increase longevity and comfort Luxury stretch knit cover is both soft and breathable All-foam construction reduces transfer of motion and roll together between sleeping partners Narrow King: 72 x 80 x 11 9 high-density foam core plus 2&#034; Euro Top for a total of 11&#034; for height Ships directly to your front door in a box measuring 16 x 16 x 62 to 78, depending on the mattress size.