SunSmart Simple Envelope style 11.6 inch Laptop Leather Protective Sleeve case bag with Magnetic Closure for Macbook Air 11.6'' (Lichee Pattern-blue) The new design of our Macbook sleeve is made of high quality PU leather which provides the sleeve a stable structure and smooth surface that feels as good and comfortable as it looks. The eco-friendly epoxy board of the sleeve, with a high mechanical and dielectric properties, ensures a better heat resistance and moisture resistance. With a good insulation properties and high toughness, the sleeve can always keep its form and well protect your laptop. Simple design of magnetic closure is employed for easy use and preventing stuff accidentally slipping from the bag. Ultra slim design keeps the thickness of your Macbook or laptop.