Product details1. This?multi-function?convertible bag fits up to 15.6 inches laptop/books/ipad/tablet/macbook2. Water resistant: Made of highly durable eco-friendly polyester, this backpack is splash-proof and is adequately protected from light rain.3. Multiple compartments: Made with different compartments to contain different accessories and laptop?4. Built-in-anti-shock foam can always prevent impact force to protect your laptops.