The bi-fold is now the industry standard and the more popular of the two basic styles. The frames are made of wood, metal or a combination of both. The wood choices available include oak, ash, pine, teak, rubber wood and various others. There are numerous finishes available from natural to cherry to antique finishes. If there is furniture finish you are trying to match there is a futon frame for you. Some frames can even be upholstered in your choice of fabric.
The arm designs have the looks and design characteristics found in traditional furniture. Today it is hard to distinguish between the looks of a conventional sofa and a futon. The futon also has a great advantage over its counter part the sofa bed in that the mattress is much more comfortable to sit and sleep on. Futon frames are unfolded from the front or the back. It takes only seconds to convert from a sofa to a bed.