Tech Air 15.6inch Black Roller Backpack Trolley or backpack? This is function with emotion. The case geeks at techair give you both. The Lateral Protection via foam cushions keep your laptop more than happy and of course theres plenty of room for all of your other kit. What more can you ask for? A lifetime warranty thats function with emotion.Please note this item is non-returnable, see our returns policy for more information.