When it comes to your comfort, chime in for this 12-inch twin memory foam mattress. Its foam contours to your body delivering amazing support, pressure relief and comfort. The thick memory foam layer is supported by a super thick layer of firm support foam. Plus, this mattress is made of hypoallergenic material, keeping dust mites, pollen, mold and pet dander out. This mattress arrives in a box for easy set up. Foundation/box spring available, sold separately. Signature Design by Ashley is a registered trademark of Ashley Furniture Industries, Inc. Mattress arrives compressed in a box and then regains its size and shape after opening. Quick Ship items ship directly from the manufacturer within 3 to 5 business days.