Acsergery Dimensions: External Dimensions: 15.75 x 11.42 x 1.18 inches (L x W x H) Internal Dimensions: 14.76 x 10.83 x 0.98 inches (L x W x H). Internal Dimensions of 2 Outer Zipper Pockets: 13.6 x 10 x 0.6(L x W x H). . Compatiblity: Compatible with most of 15.6 laptop computer chromebook for Microsoft,Acer,HP,Dell and more. If you especially need a snug fit or a loose fitplease compare the actual dimensions of your laptop with the internal dimensions of the sleeve, and make sure those are smaller than the internal dimensions, the more similar,the more fit. . Practical Design: One main zippered compartment for your laptop and 2 outer pockets for documents, tablets, cell phones, earphones, pens, wallet, keys and other daily needs. Three-Layers design features a outer polyester layer,foam padding mid-layer and fluffy fleece fabric lining, for bump and shock absorption and protection of your computer from accidental scratches. . Multi Function: With detachable and adjustable padding shoulder strap, and top sturdy handles, offering options for you to carry the bag. . High Quality Material: Constructed with durable, water-resistant polyester and RPET (recyclable material), keeps your laptop and valuable documents safe from water and light rain smooth zipper, and durable hook of strap, make the laptop sleeve more lightweight and offer you convenient using for a long time. .