Revolutionize the way you pack with this innovative travel backpack featuring built-in vacuum compression technology that doubles your packing capacity for any journey. The patented air pump system compresses clothing by up to 55 percent allowing you to fit a full week of outfits into a sleek carry-on profile that meets most airline cabin requirements. The expandable design transforms from 35L daily commuter to a spacious 45L weekend bag with an additional 65L capacity when vacuum sealed. Engineered with ultra water-resistant fabric a Tsa-approved combination lock and odor-isolating compartments your belongings stay safe dry and fresh throughout your journey. The ergonomic 3D foam shoulder straps combined with breathable airflow back panel deliver all-day comfort while the trolley sleeve slides over rolling luggage handles. Smart storage features include a dedicated laptop sleeve passport pocket charging port and shoe compartment. Reflective strips and an included Led pump light keep you visible during nighttime travel adventures.