Memory Foam Mattress: Get a quilted memory foam mattress. Long Lasting: Features a 13.5 open coil bonnell spring to provide even support for all of your body's pressure points. Sizes: Choose between six different sizes, all mattress sizes are suitable for any standard sized bed base (see full details for dimensions). Mattress Depth: Nine to ten inches thick with responsive 40KG/M3 memory foam to mould around the shape of your body. Medium Firmness: Has a medium firmness which is perfect for people who like to sleep on their side! Cover Material: A deep micro quilted hypoallergenic mattress with a four way stretch fabric for extra comfort. | Quilted Memory Foam Mattress | Wowcher