Pathfinder Revolution Plus 18 Inch Checkpoint Friendly Wheeled Briefcase, Black, One Size Constructed in 100% duramax ballistic nylon for unsurpassed resistance to abrasion and tears. Lightweight vinyl-acetate copolymer fabric backing increases resistance to moisture penetration. Unique hybrid honeycomb frame engineering combines lightweight protective ring and advantage of being impact resistant. Quiet and long-wearing thermo-plastic elastomer (TPE) wheels, with nylon injected carbon steel ball bearings offer effortless navigation and longevity. Exclusive use of ykk self-mending zippers with easy-grip unbreakable pathfinder zipper pulls. Combined with lightweight aluminum telescoping handle with ergonomic grip. Wheeled briefcase has suspended laptop sleeve which can hold a 15 laptop with TSA friendly approved drop down for scanning. Full feature office organizational pocket with Automatic adjusting rear strap for easy piggy back on luggage handles.