Instantly makes any mattress more restful, comfortable, and supportive in sagging areas of mattress * 2 inches of soft yet supportive 2.5 lb memory foam conforms to your body * Made in the USA using enviromentally friendly processes. PURGreen Certified. * Memory foam reduces pressure points that cause you to toss and turn, so you sleep better. * Topper features a two and a half-pound density and a medium gel-like feel