Double Sided Foam Mattress 48x80x6.5 Inch (Special Size) Size : 48x80x6.5 Mattress has quilting on both sides for increased longevity Suitable for dorm room, RV, apartment or truck beds Mattress is compressed for shipping. Allow 48-72 hours for it to fully expand after opening Meets Federal Flammability Standard 16 CFR 1633