Mattress: Get a deluxe bonnel spring memory foam mattress! Depth: with a 10-inch depth. Open Coil: Feature a 12.5 open coil bonnel spring. Material: Constructed using memory foam with polyester and cotton fillings. Sizes: In a choice of five sizes (see below). 3 Colours: Mattress border comes in a choice of black, white or grey. | 10" Memory Foam Mattress - Black | Wowcher