The Sleep Master memory foam mattress topper by zinus will rejuvenate your mattress. Luxurious fiber quilted top layer with memory foam mid layer to comfort. Pressure relieving comfort foam is the base layer for support. The latest evolution of memory foam, bio foam replaces some of the traditional petroleum with natural plant oil, includes natural green tea extract and all-natural active charcoal to help absorb moisture, eliminate odors and keep your mattress fresh. Please open your mattress topper package within 72 hours of receipt and allow 48 hours for your new topper to return to its original, plush shape. Another comfort innovation from zinus. Pioneering comfort.

• 4 inch memory foam mattress topper will make your old mattress feel like new
• Topper layers include fiber quilted cover, 2 Inch memory foam, 1.5 Inch pressure relieving comfort foam
• Only the highest quality of foam - foam is CertiPUR-US Certified for durability, performance and Content
• Smartly shipped - our patented technology allows our toppers to be efficiently compressed, rolled and shipped in a Box conveniently to your door
• Worry free 5 year limited Warranty

4 inch memory foam mattress topper will make your old mattress feel like newZinus