Internal Size : 32.77 * 24.13* 2 cm( 12.9 *9.5 * 1 inches ), suitable for most popular 15 inch MacBooks / laptops / notebooks / Ultrabooks, may not snugly fit all computers due to variations in the sizes of different models. Spatial structure : This protective bag has 3 spaces inside a large space for storing computers notebooks or files and two small spaces for storing mobile phones pens USB data cables headphones power cords etc. Super qulity : Fluffy wool felt material absorbs shock and vibration and protects your computer from accidental abrasions. The wool felt material also has the ability to absorb sweat and keep warm. Unique design : Unique case made of leather edge plus felt material which can help you carry your MacBook Air / laptop / notebook / Ultrabook computer in a uniquely sleek style.