The Mercury Plush Euro Top Mattress, part of the Genesis Collection, is designed and manufactured at Sherwood's state of the art Midwest facility. Available in twin, full, queen or king size, the Mercury Plush Euro Top Mattress offers a combination of durability and support. A support system employing 460 double offset, Verti-Coils offers alternating rows of coils, providing greater edge support, improving perimeter consistency, and providing more surface coverage. Delivering a unique blend of both super soft and medium firm, soy based quilt foams for added durability and support. 5 year non-prorated manufacturer's warranty.