TANGCORLE Vacuum Seal Travel Backpack 45L Expandable Air Compression System Water Resistant 17 Inches Laptop Backpack for Women & Men with USB Charging Port- Vacuum Pump Included

Space SavingTangcorle compression backpack featured with vacuum seal compartments, you can save 80% of clothing storage space after compression, you don't need to worry about bring more 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-45L EXPANDABLE DESIGNVaccum backpack can be expanded to a 50L super large capacity backpack, equivalent to 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 45L luggage 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. ^^ Multi-functional CompartmentsMen's vacuum travel backpack with three spacious main compartments and multiple hidden pockets. Travel backpacks come with shoe compartments that allow you to separate your shoes from your clothes and block out odors. In addition, there is a dedicated laptop compartment that can safely accommodate a 17-inch laptop without damage. ^^ Comfortable and Durable]Vacpack 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 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.