Used for 3 months (not daily) Black [Tiger Brook 20L Plus Backpack] A travel backpack with a simple design and high functionality. It has an expandable function that allows you to adjust the capacity of the main room according to the amount of luggage, so you can rest assured even if your luggage increases when you are out. The fabric is water-repellent, so it can handle sudden rain. It also has a cushioned PC pocket, making it perfect for business use. Columbia / Columbia Product number PU8722 Size: Approximately H46 x W27 x D10~19cm Capacity: Approximately 20~28L Weight: Approximately 1030g Material: 840D TM OX (Nylon 100%) ■ Tiger Brook Series [Product Features] ・Columbia's unique water-repellent function "Omni-Shield" ・The perfect size for 1-3 night trips or business trips ・8L expansion possible with zipper opening and closing ・Large mesh zipper pocket on the front side inside the main compartment ・Open pocket on the back side inside the main compartment ・Main compartment and PC sleeve (compatible with 15-inch) with lockable zipper specification ・Mesh zipper pocket on the front side inside the second compartment ・Organizer pocket on the back side inside the second compartment ・Simple security system in the second compartment ・Reflector logo print on the shoulder harness ・Removable chest strap ・Rubber band to hold side compression ・Capacity 20L - 28L (approximate)