Macbook Air 13 Case, Vakoo (Envelope Style) MacBook Air Laptop Bag, Portable Waterproof PU Leather Protective Note Book Sleeve for Apple MacBook Air 13.3-Inch,&nbsp;Blown UltrathinProtectivePortableSleeveforAppleMacBookAir13.3-Inch. Premium synthetic leather sleeve protect your laptop from dust, shocks, bumps, scratches and spill. Envelope style design, slim fit and lightweight, can easily slide into your briefcase or luggage. Magnetic button ensure safe and secure closure, no worries for accidental opening. Package Content: 1 x Apple MacBook Air 13.3 inch sleeve.