Simmons BeautySleep Crossgate Queen Plush Mattress The soothing damask fabric is super light-weight yet silky and soft; it adds a comforting touch to your sleeping experience 460 coils in our high performance coil system helps to provide the same durability that is traditionally associated with the simmons beautysleep brand Certipur-us comes with comfort and confidence the flexible polyurethane foam in this product has been independently laboratory tested and certified to meet voluntary standards for content, emission and durability