Internal Dimensions: 14.17 x 1.57 x 10.82 inches (L x W x H); External Dimensions: 14.96 x 1.57 x 11.41 inches (L x W x H).Removable and adjustable padding shoulder strap with anti-slip shoulder pad varied from 27 inch to maximum 47 inch and dual sturdy handles for long time comfortably carrying, top handles also can tuck away in the pockets when not needed. The extra zipper at the bottom bag can widen the depth up to 2.76 inch when you need.Features a polyester foam padding layer and soft fabric lining for bump and shock absorption. The soft fabric lining provides protection against accidental scratches.Top-loading zipper on the bag glides smoothly and allows convenient access to your laptop computer. Zipped pocketment walls provide extra protection for portable mouse, iPod, cell phone, pens and other essentials without making a bulging.Compatible with MacBook Air 13 inch A1369 A1466 2010-2017/Pro 13 inch A1425 A1502 A1278 2008-2015; Surface Book 3/2/1 13.5, Surface Laptop 3/2/1 13.5; Dell Inspiron/Latitude 13/14; HP Elitebook 830/Spectre X360 13.3, HP Envy/Stream/Pavilion 13/14; compatible with Lenovo 720 13.3/Yoga 2 Pro/Yoga 920, ThinkPad X1 Carbon 14, Ideapad 320s-14/320s-15, IdeaPad 710S/720S 13/14; compatible with Asus Chromebook/Vivobook/ZenBook Flip S 13.3/14; Acer Swift1/7 /Spin 5 13.3, Acer Swift5/Spin7 14.