WIWU Business Backpack 15.6 inch Laptop Backpack for Men Women Water Resistant Convertible Canvas Multi-function Bag Briefcase Messenger - fits up to HP/Dell/Asus/Acer/Lenovo/Samsung/Toshiba/Apple Macbook Laptop - Gray Features: Lightweight and versatile school/travel backpack messenger Carrying Bag w/ Handle for up to 15.6-inch Macbook/Laptops/Notebooks/Ultrabooks/Chromebooks and essentials. Fully convertible from school/laptop backpack into messenger case by Hidding shoulder straps in the rear zipper pocket. Interior padded compartment protects laptop and a dedicated interior pocket for iPad, tablet or ebooks. Front compartment features storage pockets for Smartphone, pens, mouse, power bank and small accessories. Convenient headset grommet for easy access to your MP3 player. Padded carrying handles and adjustable shoulder straps make the bag comfortable on the go. Specification: Material: Water resistant polyester fabric Internal size: 16.9"(L) X 12.2"(W) X 3.2"(H); External size: 17.3"(L) X 12.9"(W) X 3.9"(H). Suitable for Acer Aspire E 15 E5-575, Acer Chromebook 15 CB5-571, ASUS K501UW F555LA X540LA, HP Pavilion 15-F222wm 15-ay011n 15-ba009dx, Toshiba Satellite C55 Dell Inspiron 13 5000 & 15 5000 Series, Most 15"-15.6" Dell HP Acer ASUS Toshiba Lenovo Ultrabook Notebook If you're not sure whether this bag fits for your laptop, please feel free to leave a question on the Q&A area, we are always here for your service.