Waterproof Mattress Cover and Two Classic Contour Pillows and Twin XL 4 Inch Thick 5 Pound Density Visco Elastic Memory Foam Mattress Bed Topper Made in the USA Waterproof Mattress Cover to protect your 5 Pound Density Topper from spills and leaks Two Classic Contour Pillows with a Reversible Lobe to fit your Personalized Sleep Style - No Cover with Pillow Made in the USA using enviromentally friendly processes. Exceeds PURGreen certification standards. 5 Pound Density Memory foam reduces pressure points that cause you to toss and turn, so you sleep better. Topper features a five-pound density and featuring a famous gel-like feel.