The Blok Large is a functional stellar. Holding up to 45 liters, you can go on vacation for at least a week without having to check in additional luggage. Open the backpack in different ways! When packing and unpacking, you can conveniently open the main compartment using the U-zip pocket on the front like a suitcase to smartly stash your stuff. Pull the cord from the top to quickly open the Blok Large when you need to grab your key from the key ring. You can access your 17" laptop through a separate side opening without having to dig through your belongings during security check.