Could you use an extra mattress for guests? How nice would it be to pack it away when they leave and be able to put it in the closet? Check out today’s Amazon deal on the Intex Queen sized Air Mattress. This mattress has a built-in electric pump which inflates the air mattress in about 4 minutes. It even has built-in pillows! Dimensions are 60x18x80 inches and has a 600lb capacity.