TANGCORLE Vacuum Seal Travel Backpack, Expandable Vacpack Backpack with Vaccum Compression System, Water Ressistant 17.3 Inch Laptop Backpack with USB Charging Port-Vacuum Pump Included

Space SavingTangcorle vacuum travel backpack with vacuum compression system, can help you save 80% of clothing storage space after air release, you don't need to worry about can not to take more your favorite clothes. You can manually press the air release or use the vacuum pump for faster compression, easy to operate.
Please note: If the pump does not work, please charge it and try again. ^^ 35L-50L EXPANDABLE DESIGN This mens travel backpack can be expanded to a 50L super large capacity travel backpack, equivalent to use a 20-inch rolling suitcase. When you don't need large volume, you can zip it up and change back to 35 liters. Our suggestion is 50L backpack more suitable for tall people, recommended 5.91 feet and above. 160 pounds and above people use, more suitable for men, because the backpack is large, suitable for 5-7 days of travel. ^^ Dedicated laptop compartment50L travel backpack for men with three spacious main compartments and multiple hidden pockets. This expandable travel backpack comes with a dedicated computer compartment. Foam pads are sewn on both sides of the compartment to better protect your computer from damage and make you feel more at ease. It also features an independent shoe compartment, allowing you to separate your shoes from your clothes and block out odors. ^^ Comfortable and Durable]Travel Laptop backpack made of high-quality zipper and 900D high-density Oxford fabric, 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 TipsPlease 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.