| 摘要 |
<p>A mattress system comprising a body having a three dimensional shape; said body further having a first side and a second side, wherein said first side is configured and dimensioned to be in contact with a supportive surface, and said second side is configured and dimensioned to be in contact with the underside of mattress and contoured to substantially match the volume of the concaveness of a mattress wherein the upper (sleeping or sitting) surface of the mattress is restored to a substantially planar surface.</p> |
