Topper Cover and Two Classic Contour Pillows and Twin Size 4 Inch Thick 4 Pound Density Visco Elastic Memory Foam Mattress Bed Topper Made in the USA Topper Cover with Zipper to completely encapsulate and protect your 4 Pound Density Topper 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. 4 Pound Density Memory foam reduces pressure points that cause you to toss and turn, so you sleep better. Topper features a four-pound density and featuring a famous gel-like feel.