Product Name: Vacuum Compression Backpack. Size: 49 x 32 x 15CM.
After expansion: 49 x 32 x 20CM. Capacity: Can hold a 17.3-inch laptop.Using the vacuum compression method. Open the compressed vacuum lined bag. Put the clothes on the air-tight zipper. Open the one-way exhaust valve. Press to exhaust the air inside.
Anti-theft zipper pocket on the back. Wet and dry separation area. Large capacity = 24-inch luggage.