The P.A.C.K. (Personal Army Combat Kit) 720 can fit 12.5 inches (318 mm) of Battle Foam Large (BFL) size foam trays (15.5W x 12L).Its rugged, blackBallistic Nylon exterior protects a hard plastic interior built for strength and durability. The P.A.C.K. 720 also has a molle system, which allows you to further customize this bag to fit your specific storage and transportation needs. Molle accessories offer storage solutions for tablets and books, dice and other gaming accessories as well as cell phones and additional personal items.To view and/or purchase these accessories,click here.This bag does meet most airline requirements for carry on luggage. However,please check with your airline to see if it exceeds their size limits to ensure it will meet your needs with regard to air travel.Molle System on entire back side and front pocket of bagVelcro strip on front flap for patches, badges, and pinsLarge pocket on both sides which can hold Benson Boxes, tape measure, dice, templates, tokens, and cardsPersonal information window pocketThis load out option comes fully loaded with the Magna Rack Sliders Large Kit for the P.A.C.K. 720, which includes:3x Large Magna Rack Sliders Trays.1x Large Magna Rack Original Tray4x 5 inch (127 mm) Magna Rack Spacer Legs.4x 3 inch (76 mm) Magna Rack Spacer Legs.4x 2 inch Short (50 mm) Magna Rack Legs.4x Top Plugs4x Bottom Plugs4x Top Caps