3 Colours: Mattress border comes in a choice of black, white or grey. Open Coil: Features 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). Depth: With a 10-inch depth. Mattress: Get a deluxe bonnel spring memory foam mattress! 10" Memory Foam Mattress | Living Social | Living Social