The Sleep Number Select Comfort Half Queen Air Chamber S-273 Q-Dual is a solid beige inflatable mattress designed for adults. Made of canvas material, this adjustable firmness air chamber is 6 inches thick and features a rectangular shape, perfect for a Queen-sized bed. Manufactured by Sleep Number in the United States, this air chamber is from the 21st century and is part of the Sleep Number product line, known for providing comfortable and customized sleep experiences. With the ability to hold air, this half queen air chamber offers a supportive and adjustable sleeping surface.