From their website: With a slim profile, our Laptop Backpack is ready for your commute! Fits all kinds of work necessities such a folders, tablets, and up to a 13" MacBook Large front zipper pocket and smaller interior pocket Comfortable and adjustable buckle-straps ensure a perfect fit Measurements Top Width: 13" Bottom Width: 10" Height: 15" Depth: 3" Zipper Opening: 11" Weight: 2 lb 3 oz Adjustable Straps Length: 25.5" to 35.5"