4-in-1 Memory Foam Support CushionThe ergonomically designed 4 in 1 Memory Foam Support Cushion can provide comfort and support to your feet, knees, back (lumbar) or neck. It is ideal for use in the home or office and is constructed from memory foam with a washable, removable microfibre suedette cover. The 4 in 1 Cushion is cleverly shaped to have many possible uses; turn your coffee table into a comfortable footstool, use as an armrest or a laptop desk. It even has a built in holder