Lenovo offers the Targus Eternity 15″ Notebook Backpack, model no. CB2650, for $39.99. Coupon code “USPC11JN46560” cuts it to $13. With free shipping, that’s the lowest total price we could find by $27, although it was a buck less two weeks ago (since expired). Sales tax is added where applicable. It accommodates laptops with up to 15″ screens and features a removable wrap pad and mesh side pockets.