This Airbag Backpack With Vacuum Compression offers large-capacity storage with a vacuum-sealing system, perfect for business travel. Made from waterproof Oxford fabric, this 19-inch backpack features a one-way air valve that compresses the contents and keeps out odors. Its expandable design provides a capacity of 22 liters, which can increase to 45 liters when needed. Equipped with multiple pockets for easy organization and an external USB charging port, it allows for convenient on-the-go charging. The backpack is carry-on approved, making it a versatile and practical option for frequent travelers. Customize it with your logo for a personalized touch. Measuring 18.11*11.81 inches, this custom airbag backpack with vacuum compression. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Customization: Logo printing available with multiple packaging and color options. Product Highlights: Eco-friendly material, reusable, foldable for storage.