Futon mattresses
These are used for beds which can be converted to sofa when required. These mattresses are lighter and these are less firm than normal foams. These are made from materials which can provide flexibility for its different functions. For small apartments it is a very useful item and can be utilized for entertaining guests. Futons are available with wide range of warranties, longer is the period of warranty better is the quality of foam. Some futons are made from mix of materials like cotton and polyester however futon made from pure polyester is lightest and best of all. Rigidity configures its utility as chair or sofa however its weight determines effort required to change it to bed.