✅ New Product ✅ Color: Grey 🧿Item Dimensions 18 x 5 x 12 inches 🧿Lots of Storage Space&Pockets: One separate laptop compartment hold 15.6 Inch Laptop as well as 15 Inch,14 Inch and 13 Inch Macbook/Laptop. One spacious packing compartment roomy for daily necessities,tech electronics accessories. Front compartment with many pockets, pen pockets and key fob hook, make your items organized and easier to find 🧿Functional&Safe: A luggage strap allows travel laptop bag fit on luggage/suitcase, slide over the luggage upright handle tube for easier carrying. External pockets on both sides are made of elasticized fabric, expands to secure various size water bottles and compact umbrella 🧿USB Port Design: With built in USB charger outside and built in charging cable inside,this usb backpack offers you a more convenient way to charge your phone while walking. Please noted that this backpack doesn't power itself, usb charging port only offers an easy access to charge