Undercover Laptop Sleeve £17.99 (+ postage of £2.00) This is a brand new incognito laptop sleeve designed to look like an old used envelope. This a clever UK design which offers the protection you would expect from a regular case but also works as a disguise. It genuinely looks like you are carrying a tired envelope but inside is your most important piece of kit! The Undercover Laptop Sleeve is splashproof, tear proof, super padded and you can write on it too! The adjustable velcro means this sleeve will fit laptops of all sizes (8-17 inches). Buy Now: