BANGE Vacuum Compression Travel Backpack,60L Expandable Backpacks with Air Pump, Waterproof and Anti-Theft Laptop Backpack for Hiking, Business and Travel

【Vacuum Seal Backpack 】This travel bag adopts vacuum compression design, sealed compartment for 13-15 thin clothing items, so you can save 80% on clothes storage space with vacuum seal compartment. Our airpack backpack is equipped with a one-way valve, allowing for rapid compression with our electric vacuum pump or manual air release. This innovative feature effectively reduces wasted space between luggage and maximizes luggage space utilization.. 【Tiny Portable Air Pump】Each travel backpack comes with a rechargeable air pump that is both inflatable and inhalable.Tiny air pump offers many nozzles to suit a variety of usage scenarios and can be used multiple times after a full charge.. 【Expandable Travel Backpack】This backpack has a large capacity and an expansion design, which can fully meet your storage needs.Before expansion, the capacity is 23L with dimension 17.5x11.8x5.5inch, and after expansion, the capacity is 35L with demension 17.5x11.8x9.5inch. The interior also adopts a multifunctional layered storage design, with dry and wet separation areas, so you no longer have to worry about having nowhere to store dirty clothes and wet items.. 【Travel Vacuum Bags with Anti-theft Lock】This backpack also uses the TSA customs combination lock design, which makes your entire trip worry-free. Even after customs inspection, it can be unlocked with a customs-specific key. This combination lock is only for better protection of the items in the bag, so that you can travel with peace of mind. The combination lock can be set with an independent password, and the setting steps are simple and easy to operate.. 【Attention for Zipper of Vacuum Bag】Vacuum seal bag adpoted high-density BBS zipper. In order to make sure the sealing function and not let the air come in, it is a little difficult to open, so please grab the vacuum bag with one hand, and use big power to open the zipper.