Caterpillar Extended Backpack Properties: The CAT Caterpillar V-Power City Backpack is a practical accessory perfect for everyday activities. This modern gadget is perfect for carrying to work, school, on a trip, or to the store. Weighing just 340 g, the backpack is lightweight and comfortable to use. Its 15-liter capacity and dimensions of 43.5 x 29 x 14.5 cm allow you to fit a variety of essential items inside.