Hand-crafted: Manufactured in the UK. Memory Foam Mattress: Sleep in comfort all year long with an all-seasons superior 4000 mattress. Options: Available in single, small double, double and king sizes. Comfort: Medium to firm comfort level. Pocket Springs: High quality 4000 individual pocket springs. Layers: Features a layer of memory foam for a deep nights sleep! 4000 Pocket Spring Mattress | Living Social | Living Social