VacPack Backpack - Air Compression Travel Laptop Backpack for Men, Waterproof Anti-Theft Carry On Flight Bag with Hand Pump - Perfect for Hiking, Business Trips & Air Travel

[EXPANDABLE BACKPACK]: Extra-large carry-on backpack can be manually adjusted to the size of the capacity according to the application scenario, and has a multifunctional compartmentalized interior for storage and wet/dry separation. [WATERPROOF ANTI-THEFT]: Vacuum travel backpack is waterproof and features a TSA Customs combination lock with a changeable code. [TSA FLIGHT APPROVED]: The backpack size meets the maximum size requirements for IATA flights, making it a good choice for traveling. [VACUUM COMPRESSION BACKPACK]: Travel bag is designed with vacuum compression to provide more storage space. [COMFORTABLE CONVENIENCE]: Ergonomically designed 3-D padded back panel and adjustable chest buckle with luggage strap on the back make backpacking easier and more convenient. › See more product details

[EXPANDABLE BACKPACK] Extra-large carry-on backpack can be manually adjusted to the size of the capacity according to the application scenario, and has a multifunctional compartmentalized interior for storage and wet/dry separation.

[WATERPROOF ANTI-THEFT] Vacuum travel backpack is waterproof and features a TSA Customs combination lock with a changeable code.

[TSA FLIGHT APPROVED] The backpack size meets the maximum size requirements for IATA flights, making it a good choice for traveling.

[VACUUM COMPRESSION BACKPACK] Travel bag is designed with vacuum compression to provide more storage space.

[COMFORTABLE CONVENIENCE] Ergonomically designed 3-D padded back panel and adjustable chest buckle with luggage strap on the back make backpacking easier and more convenient.