【Vacuum Seal System】The main compartment comes with a built-in compression bag and comes with a complimentary air pump for quick vacuuming, providing more carrying space.
【Air Pump Set】Gift a set of air pump kit, which can be used to suck out the gas from the main bag of the backpack, in order to achieve the purpose of holding more clothes.
【TSA Password Lock】Laptops and tablets have separate TSA password locks in the compartments to protect your property security.
【One Backpack,Multiple Uses】Not using vacuum compression function, it can be used as a high-end backpack for work or school, and can accommodate laptops, tablets, books, etc.After using the vacuum compression function, the space can be expanded to 60L, which is equivalent to a 22 inch suitcase. Can be used for business trips.