Bulletproof 1680-denier ballistic nylon with 420-denier polyester panels in messenger-inspired design. Padded, low-profile laptop compartment; two large internal compartments; organizer panel; outside U-lock pocket and bottle holder; padded back panel with secret zipper pocket; lightweight, ergonomic shoulder straps; on-strap bottle opener; accessory loops on straps. Guaranteedfor life by manufacturer. Assembled in USA. 12-3/16"x17-3/4"x5-1/2". Embroidery. Gunmetal.