Serta Rejuvenator Dual-layer 4-inch Memory Foam Mattress Topper with High Quality Sleep Mask & Comfortable Pair of Corded Earplugs Included (Queen) - Experience the luxurious support of this double-layer Serta memory foam mattress topper. 5 Year Limited Manufacturer Warranty - Polyurethane Memory foam - Includes High Quality Sleep Mask & Comfortable Pair of Corded Earplugs Density: 1.5-inch top layer of 3-pound memory foam, 2.5 inch base layer of superior base foam Cradles your body, reducing pressure points - Adjusts to your body temperature Eliminates motion transfer and disperses your weight evenly Helps rejuvenate tired muscles and eases back pain - Naturally antimicrobial, resistant to dust mites