OPOALO Vacuum Backpack Travel with Pump Waterproof Travel Laptop Backpack with USB Charger Port Suitable for work, business, travel, commuting, daily backpacks Black

Space-Saving Vacuum Compression System Our innovative large-capacity vacuum backpack features an integrated pump system with Strong Suction and specialized compression bags. Use the included electric pump for rapid compression or manually press to remove air - well-suited for vacuum backpack travel while keeping contents organized ^^ Spacious & Well-Organized (55L)
Dimensions: 19.7 x 13.4 x 8.3 inch (50 x 34 x 21 cm). Before the use of vacuum seal backpack is 38-40L, after compression to be able to reach 55L. Fit for 17.3 laptop ^^ Flight ApprovedThe laptop compartment is friendly designed to be opened 90-180 for security scanning, helps get through airport security checkpoints quick and easy; And the dimension meets the maximum size requirements by IATA flight, it's ideal for vacuum travel backpack or Travel backpack adventures ^^ Rugged & Secure ConstructionBuilt with high-density and heavy-duty Nylon 400DPU with a water-resistant coating and the 900D water-resistant membrane. Features abrasion-resistant bottom. The backpack vacuum-sealed compression bag inside is made of TPU, offering water resistance, keeping clean, perfect for storing shoes or clothes ^^ Ergonomic ComfortThe vacuum backpack travel with pump features a multi-panel airflow design with a 3D back pad, breathable and adjustable shoulder straps, and a waist belt liningall designed to reduce shoulder and back pressure for maximum comfort during travels