Thesse are the ultimate travel backpacks. They elminate the hassle and risk of baggage claim, offer the features of larger backpacks and the ease of wheels. Anyone who's had their luggage lost by airlines knows it can be tough to get it back. Particularly in remote areas. Don't take the rist. Pack light and take a carry on backpack. Carry on Backpacks often include day packs which can be detached to serve as two full sized carry on backpacks. And wheels just makes the whole thing easier. We have wheeled, carry on backpacks by High Sierra, Lowe Alpine, Ful and others. Say hello to a wheeled, carry on pack and goodbye to baggage claim!