best tsa friendly laptop backpack for dell 3520 VECKUSON Extra Large Backpack, 22" x 17" x 10", 60L Capacity, Multi-Compartment Protection, Fits 15.6-19" Laptops, Approved, RFID Anti-Theft, Sport : Electronics Size:21 Inch Vintage BURTON Black Snowboarding and zippered compartments for Pristine

best tsa friendly laptop backpack for dell 3520 VECKUSON Extra Large Backpack, 22" x 17" x 10", 60L Capacity, Multi-Compartment Protection, Fits 15.6-19" Laptops, Approved, RFID Anti-Theft, Sport : Electronics Size:21 Inch Vintage BURTON Black Snowboarding and zippered compartments for Pristine

Vintage BURTON Black Snowboarding Outdoor Backpack

Just make sure your bottle is heat-resistant, and always test the lid for leaks before you get it anywhere near your sleep sack

Pristine

Size:21 Inch

And if you would like a bit more laptop storage room, Freebiz also offers a slightly larger 19 inch laptop backpack (Amazon) that is worth a closer look

and zippered compartments for smaller items