The P.A.C.K. (Personal Army Combat Kit) Air will hold 18 inches (457 mm) of foam stacked side by side. Its rugged olive, kevlar exterior protects a hard plastic interior built for strength and durability. Pockets are available to hold accessories and rule books. This bag design has wheels for easy transportation and is the ideal case for airport travel. This bag will fit in the overhead bins on most airplanes. Note: Air travel guidelines do vary. Please check your airlines carry-on rules before travel. This bag will hold 9 inches (229 mm) of 15.5W x 12L" (393W x 305L mm) Battle Foam size foam trays and 9 inches of 15.5W x 8.5L" (393W x 215L mm) Privateer Press size foam trays. These trays fit side by side as pictured. This bag comes empty, but can be ordered with pluck or custom cut foam. Outside Bag Dimensions - 25W x 16L x 11H" (635W x 406L x 279H mm) Front Pocket Dimensions - 12W x 11L x 1H" (305W x 280L x 25H) Side Pocket Dimensions - 7W x 7L x 2H" (178W x 178L x 51H) (Foam trays pictured are not included with this bag purchase option.)