This leather portfolio was designed for your travel or business trip ,high quality top grain cow leather and 100% hand cut and sew . you could organize your stuff and laptop into it ,some stuff you could put into:* Boarding pass or ticket * A5~A4 notebook ( in middle compartment )* Passport or notes* Three pencil or pen* Macbook laptop * 3~4 Credit & Business Cards* Some power cord ,earphone ,even a iPhone 7 plus★★If you want to engrave something ,please write the engrave content when check out ,thank you ★★Notice for customers who need it for Macbook air 13''2018 Macbook air 13'' model have a different size for old and new version . Pls check the number serial with initial A at the back of your Macbook air 13''as the info below2018 Macbook air 13'': A19322015/2017 Macbook air 13'' : A1466 A1369 **************** Hand Stitching ****************Why we honor and insist on sewing our leather product by hand ?Leather sewing machines commonly use the "lock stitch" , If just one loop of a lock stitch is broken, the other side will automatically be loosened, often this process of unraveling will continue until the entire product is ruined. for hand stitched leather product, it will not unravel if one stitch is broken because of its special construction from saddle stitch that only is achieved by hand!Though slower, hand sewing is superior to machine sewing. It is the best way to sew leather together,the hand stitched leather product will be more durable and stand the test of time !!