Visnow High End Packable Light Weight Travel Waterproof Backpack Slim Foldable Handy Outdoor School Daypack Size: Height: 15'' Width:8.67'' Thickness: 4.7'' Material:High End Light Weight Waterproof Material Application: Travel, School bag,daily use High End Material, Excellent Workmanship, Very light W Weight: Very light,can be packed to a mini bag