(SEE AVAILABILITY ABOVE FOR ESTIMATED DELIVERY) - The Original McKenzie Airback Inflatable Roll - Inflatable Roll - The Original McKenzie Airback Inflatable Roll - Support on the go! When not in use, the Airback folds to about the size of a wallet & is an ideal choice for portable, discreet support at the theater, restaurant, or on the airplane. Fully inflates in seconds. (Not intended for long periods of use.) Latex free. - Rolyan products are internationally licensed & manufactured for home & clinical use. Most of their products offer a lifetime warranty.