The 2 seater Matsuki 2 seater base can accommodate a 4'6" (140 cm) wide mattress. The base converts easily from a seat to a bed. It is essentially a basic A shaped frame made of rubber wood with a mat finish. The Matsuki 2 seater base comes with a 6 layer mattress for comfort. This futon is suitable to be used as a permanent bed. The base comes flat packed for simple home assembly. This base is available as a 3 seater and is known as the Matsuki 3 seater.