Have this 4 in 1 multi-function sofa bed in your home or your office. The convertible feature makes this ottoman a brilliant sofa collection, allowing you to have a bed, a lounger, an ottoman, and a sofa chair all in one. There will be manual guidance to instruct the simple transition processes. What is even more convenient is the 6-position adjustable backrest. The sofa frame is made of premium steel with an anti-skid design on the leg to ensure lasting quality and stability.