The Monkey Paks Tactical Hydration Backpack is a medium-sized beige backpack with a 2 L hydration bladder. It features a zip closure, lightweight design, adjustable size, collapsible structure, and water-resistant material. This backpack is designed for tactical use, outdoor activities like camping, and hiking. It measures 22 inches in length, 17 inches in width, and weighs 2.5 pounds.