Our iDream hybrid mattresses combine all the benefits of an individual wrapped coil mattress with those of a luxury memory foam mattress. iDream is both supportive and conforming to your body providing maximum support and comfort!! Each mattress is compressed and rolled for ease of transportation and placement. All mattresses are wrapped in plastic and placed in a heavy-duty carton for protection during transport Twin ~ 38″x 75″x 7″ Twin XL ~ 38″x 80″x 7″ Full ~ 53″x 75″x 7″ Queen ~ 60″x 80″x 7″ King ~ 76″x 80″x 7″ Cal King ~ 72″x 84″x 8″