The Knack series 1 Large Gray Laptop Backpack is a stylish and durable option for carrying your 17-inch laptop. Made of polyester with a geometric pattern in gray and orange, this backpack features padded protection for your device. With a lifetime warranty from the manufacturer, you can trust that your laptop is safe in this backpack. The universal compatibility makes it easy to use with any laptop, and the backpack design offers both style and functionality for on-the-go use. Perfect for students, professionals, and anyone in need of a reliable laptop carrying solution.it expands for packing extra clothing. Couple broken zipper pulls but still work.