"The Straight Line Memory Foam Spring Mattress is one of our premium value mattresses. A 9"" deep mattress, it features a 1"" British manufactured memory foam layer complimented by a deep polyester layer. The sleep surface is a quilted thick layer that is soft to touch. This is a spring mattress with a German engineered 13.5 gauge spring system. This mattress arrives rolled and boxed to allow for easy transport to a room of your choice. - eXtreme Comfort Ltd Men's Straight Line Memory Foam Spring Mattress in White - Size: Single"