50l air travel backpack on airplane LOVEVOOK Flight Approved Carry Backpack,3 Packing Cubes,Waterproof Personal Item Travel Bag,TSA Carry on Luggage Suitcase Travel Essentials,Gifts for Women & Men,fits 18" Laptop : Electronics Serum Color:Spiced Chai / Atlantic Teal Osprey Sportlite 25L Lightweight

50l air travel backpack on airplane LOVEVOOK Flight Approved Carry Backpack,3 Packing Cubes,Waterproof Personal Item Travel Bag,TSA Carry on Luggage Suitcase Travel Essentials,Gifts for Women & Men,fits 18" Laptop : Electronics Serum Color:Spiced Chai / Atlantic Teal Osprey Sportlite 25L Lightweight

Osprey Sportlite 25L Lightweight Hiking Backpack for Men and Women, Aubergine Purple, S/M

Balances lightweight comfort with enduring toughness—ideal for classrooms and commutes

Serum

Color:Spiced Chai / Atlantic Teal

I went with the small version, even though from pictures and looking at the dimensions on the Timbuk2 site, I still was not totally confident of its size (hopefully this review helps illustrate how large or small it is)