The Basil B-Safe Backpack Nordlicht has a capacity of 18 litres and is a striking backpack with several innovations. Bicycle backpack? Yes, but it's a pannier and backpack in one! The bag has an anti-theft feature, thanks to a hidden zipper and several hidden pockets. Key Features: Backpack,Polyester,Hook-On System,Built in LED lights,Water-repellent,Inner pocket,18L.