COSMOS White 8" Memory Foam Mattress, Twin XL, 79"L X 38"W X 8"H, 33lbs. A combination of 2" Visco Memory Foam and 6" High Density Polyurethane base foam, with stretch knit 3-layer quilting. Available in Twin, Twin XL, Full, or Queen. Features: Foam: 2" Visco Memory Foam 6" High Density Polyurethane Base Foam Fabric: White Stretch knit fabric with 3 layer quilting Safety: Quilted Fire Barrier, Hanes Stratus Titan Cover US-Made (Incl. Foreign Materials)