backpack professional laptop GOOTIUM Backpack, 15.6 Inch Laptop Compartment, TSA Friendly, 1260D Polyester Water Resistant, Unisex Daypack with Multiple Pockets for Gregory Amasa 10 H2O and hardy Color::Gray Cotton Canvas

backpack professional laptop GOOTIUM Backpack, 15.6 Inch Laptop Compartment, TSA Friendly, 1260D Polyester Water Resistant, Unisex Daypack with Multiple Pockets for Gregory Amasa 10 H2O and hardy Color::Gray Cotton Canvas

Gregory Amasa 10 H2O Hydration Pack Used | eBay

One of the coolest features of the Rhinowolf is that it’s modular, so you can connect an endless amount of them together to create one big super-tent that then creates an tunnel of tents to hang out in during a rainstorm, or sleep a large amount of people

Cotton Canvas

Color::Gray

For what it's worth, the brand claims the bag will keep things cold for 36 hours

and hardy