TANGCORLE Vacuum Compression Backpack for Travel, 50L Expandable Backpack with Pump, 17 inch Laptop Backpack Luggage Flight Approved with Vacuum Compression System

【Space Saving】Tangcorle large capacity travel backpack featured with vaccum compression seal, can store 18-20pcs garments and reducing storage space by over 50% (even more for down jackets). When fully expanded, the backpack achieves an impressive 47L capacity, comparable to a 18-inch suitcase.. 【33L-50L EXPANDABLE DESIGN】Expandable vacuum backpack has a large capacity to meet your 5-7 days travel needs, it can be expanded to a 50L capacity, equivalent to a 18-inch rolling suitcase. Our suggestion is 50L backpack more suitable for tall people, recommended 5.91 feet or 160 pounds above people use, more suitable for men.. 【Multi-functional Compartment】Vacpack backpack with pump for men women, designed with three spacious main compartments, two small compartments and multiple hidden pockets. You can store different personal items in different main compartments and put valuable items or passports in different hidden pockets, allowing you to quickly find your belongings. A separate laptop compartment is equipped with a protective sponge to safely safeguard your 17-inch laptop.. 【Comfortable and Durable]】Vacuum compression backpack made of high-quality zipper and 900D high-density Oxford fabric, making it durable and waterproof. The backpack with a multi-panel airflow design and a 3D back pad, adjustable and padded shoulder straps that effectively relax your shoulders and back, ensuring comfortable and breathable. Additionally, as a travel backpack carry on flight approved , it is very protable.. 【Warm Tips】Please note that, to maintain the vacuum seal within the backpack, significant force is required to open the zipper. The air pump should be charged at least once a month during storage. If you meet any issues with the backpacks' quality or usage, please feel free to contact us, and we will solve them promptly.