The Continental Sleep 1.5-inch bunky board, twin provides a s surface foundation for any platform beds, bunks and daybeds. It adds support to the mattress and will keep mattress stay in good shape thus extending the life of your mattress. It will give a firm Bottom support for the mattress and raises the mattress up for about 1.5 inches. When a mattress is placed directly on slats or metal spring, the mattress will have the tendency to rip or sink. These can be avoided with the use of a bunky board. Using a bunky board doubles the mattress' Life expectancy. This bunky board is a good alternative in lieu of a box spring that may be too high for day beds. It will give the bed a lift without adding much Height. This bunky board is strong enough to be used directly on bed frame in lieu of a box spring. It will give the mattress a lift which is quite low but will definitely hold up the mattress. It is wrapped in a stitch bonded non woven fabric. It meets federal standards 1632 and 1633 fire code. This Continental Sleep bunky board will give you enduring comfort and durability for an excellent sleep.