You require it on a daily basis, and all of your key files are kept there. That is why you must handle your laptop with care, and a cover case is essential in doing so. And that's where we come in; you need a laptop sleeve to properly store your laptop—how that's you'll retain it for a lifetime. Our one-of-a-kind laptop sleeve measures 13" and is ideal for MBP. There is no water allowed. Indeed, if you're worried about water getting inside your laptop cover, you should realise that this is an almost improbable scenario. Because our water-resistant PU external layer is just what you need to keep water off your laptop.