Features:
1. Innovative vacuum compression design allows you to carry more items without increasing volume
2. Expandable capacity for flexible response to different travel scenarios
3. Simple and modern appearance, suitable for travel, commuting, and outdoor use
4. Multifunctional compartment design, neat storage and convenient access

Specifications:
Dimensions: 19.29 inches × 12.59 inches× 5.9-7.87 inches (unfolded)
Airline carry-on baggage allowance: 22 x 17.71 x 9.84 inches
Weight:
4.18 pounds (without air pump)
4.62 pounds (with air pump)
Capacity:
Regular: 25 liters
Tension Compression: 60 Liters
Color: Gray, Black, Green, Blue
Material:
Main material: Waterproof Oxford fabric (waterproof/wear-resistant/moisture-resistant)
Other materials: Nylon, Polyester, Neoprene foam, Polyethylene foam

Package Contents:
1 × Vacuum Backpack (with/without air pump)

How to Use:
1. Place the items to be stored in the different compartments of the backpack
2. Open the vacuum pump interface cover on the backpack
3. Use our vacuum pump or a vacuum cleaner with an appropriate interface to extract the air from the backpack and start the vacuum compression system to compress the items to the desired size
4. Close the vacuum pump interface cover on the backpack

Note:
1. Equipped with a 1.10inches vacuum interface allows you to use a household vacuum cleaner with the appropriate interface for vacuuming
2. When using the vacuum compression system, make sure there are no sharp objects in the backpack to avoid damaging the backpack or the compression system
3. Due to different shooting angles and lighting, please understand that color differences will inevitably occur