Firm support with Fiber Quilted Cover, Green Tea Foam, and heavy duty Coil SpringsA safe and trustworthy anti-oxidant, Zinus infuses its foam with natural green tea extract to maintain product freshnessOnly the Highest Quality of Foam - Foam is CertiPUR-US® Certified for durability, performance, and contentSmartly Shipped- Our patented technology allows our mattresses to be efficiently compressed, rolled and shipped in a box conveniently to your door