Men Travel Backpack Vacuum Compression 17 Inch Laptop Backpack Business Large Capacity School Backpack Expanded Hiking Backpack

Product Name: Vacuum Compression BackpackMaterial: Waterproof Oxford clothSize: 49*32*15CMAfter expansion: 49*32*20CMCapacity: can hold a 17-inch laptopSeparate laptop bagUsing the vacuum compression method:1. Open the compressed vacuum lined bag2, put the clothes on the air-tight zipper3. Open the one-way exhaust valve4. Press to exhaust the air insideFunction:Breathable backComfortable foam shoulder strapsstrapAnti-theft zipper pocket on the backWaterproof/wear-resistant/moistureproofWet and dry separation areavacuum compression airtightpasswordboardingLarge capacity = 24-inch luggage