Why worry when you can chime? With the Chime Express California king mattress, you have endless possibilities for restful sleep. Soothing memory foam contours to your body, while a thick layer of firm support foam provides plentiful support and pressure relief of your body’s major pressure points. The hypoallergenic material makes it ideal for sufferers of allergies for ultimate undisturbed sleep–not to mention peace of mind. Plus, this mattress arrives in a box for quick and easy setup. Simply bring it to your room, remove the plastic wrap, and unroll. You’ll be amazed at how it fully expands within minutes. 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.