Amazon.com | TUMI - Just In Case Foldable Backpack 。⚡ NEW WITH TAGS ⚡ The TUMI Voyageur Tactical Commuter — re-engineered for executive women who refuse to choose between polished style and battlefield functionality. 300% more abrasion-resistant than standard nylon packs, with military-grade organization. Additional features: padded adjustable backpack straps with D-ring for TUMI+ accessories (sold separately), quick-access phone pocket, monogrammable detachable leather charm, and add-a-bag strap. Inside, you\'ll find a zip pocket, TUMI Tracer® technology, two media pockets, leather card pocket, loops and D-ring for accessories, open pocket, leather pen loop, and key leash. Specifications: Dimensions 16.0\" x 10.6\" x 6.5\", 22L capacity, made of nylon, fits laptops up to 15\".