Acme Made The Nopa Tri-Fold Laptop Bag for 15-Inch MacBook and Ultrabooks, White (AM00833-CEU) The profile of a sleeve with the organization of a bag. Airport-friendly design can also bundle a jacket, books or a skateboard. Acme Made's unique BombShell technical fabric is water and stain resistant. Two sizes to fit most laptops and the new NetBooks.