The Gracie Mills FLEXAPEDIC 4" Memory Foam Topper will transform your mattress from ordinary to extraordinary. Our topper features 2 inches of 2.5 lb. density temperature sensitive memory foam layered onto another 2" of high density support foam. The memory foam adjusts to your body temperature to help alleviate pressure points and relax muscles for a more soothing night's sleep. Experience all the benefits and comfort of a high priced memory foam mattress at a fraction of the cost. Memory foam is resistant to dust mites and is naturally antimicrobial. Our topper also comes with a zippered removable cover that features 3M Scotch Gard moisture management protector. The protector gives the cover stain release properties while providing moisture management for enhanced comfort. The cover has a 'non-skid' backing which locks topper in place on your mattress. Another feature we know you'll appreciate is that our topper comes in full mattress sizes to give your bed 'end to end' coverage. Cover: 250gsm knit face with 3M moisture management treatment, 100gsm anti-slip reverse, knife edge, 2 self gusset Inner: 90gsm polyester jersey Foam: 2 40D memory foam + 2 25D regular foam