【Dimension & Compatible】External dimensions: 23 x 31.5 x 4-5 cm / 9.1 x 12.4 x 1.6-2.4 inch (LxWxH),Internal dimensions: 22 x 30.5 x 2.5 cm / 8.7 x 12 x 1 inch (LxWxH);inner pocket in main compartment: 21.5 x 30.5 x 1.5 cm / 8.5 x 12 x 0.6 inch, Compatible with 12.9" iPad Pro 2018-2021 M1, 13" Macbook Air 2018-2021, 13" MacBook Pro 2016-2021, Surface Pro 3 4 6 7 X, Surface Laptop Go, 12.6" HUAWEI MatePad Pro, 13.3" 13.4" Dell XPS 13 | 【Large Capacity】: The main compartment for laptops, iPads, books/documents, and three external pocket storage accessories (chargers, cables, power banks, USB drives, etc.), which can store daily necessities (pens, mobile phones, wallets, passports, etc.) . | 【Multifunctional use】: The tablet shoulder bag also has a detachable adjustable shoulder strap and comfortable top PU handles, you can use it as messenger shoulder bag, crossbody bag, briefcace hadbag in whatever way you like, and also two handles can hide away and retract into sides pockets, then you can get a sleeve case. | 【Splash-proof & Perfect Protection】: NIDOO Shoulder Bag is made of spill-resistant material, it protect your laptop against accidental spills. Main compartment Pocket for your Tablet with foam padding layer and fluff lining to protect your tablet against dust, scratches, drops, and shocks. | 【Fashional Design & Professional】: Stylish appearance and excellent practicality meet all your requirements for daily use at work, Business trip, go to school, business meeting or speech etc. If you are not satisfied with NIDOO laptop bag, please do not hesitate to contact us. Provide friendly 7x24 hours customer service Kindly and solve your problem in the best way.