Vacuum Compression Backpack - Durable Nylon Material, Unisex Large Capacity Travel Backpack, Multi-Functional Luggage Storage Backpack, Lightweight And Waterproof - Suitable For Travel, Hiking, Camping And Outdoor Adventure. Multi-Functional Vacuum Compression Storage Backpack, College Student Backpack, Carry-On Backpack, Large Capacity Travel Backpack, Meets Airline Transportation Standards, Waterproof, Can Accommodate 14-Inch And 15.6-Inch Laptops, Size: 40*30*20 Cm Holiday, Bags For Traveling