Sizes: Choose your size - 2ft 6 (small single), 3ft (single), 4ft (small double), 4ft 6 (double), 5ft (king), or 6ft (super king). See pricing below. Mattress: Get a 3000 pocket sprung memory foam mattress. Support: Pocket encapsulated individually for extra support and premium comfort. Material: Luxurious and hypo-allergenic cool visco fabric. Comfort: Mattress has a depth of 10-11'' with responsive 40kg/M3 memory foam that contours to your body's natural shape. Firm: Medium firm comfort rating - perfect for side sleepers!