Brenthaven's Trek Sleeve provides maximum protection for your MacBook 13.3"/MacBook Air. Weighing under a pound, it has rigid wall frames and 6-sides of padding. It also features an AC adapter pocket on the backside as well as a dedicated iPod slot, both hidden by a zippered flap. There is a backslip pocket for additional files and a clear id pocket on the side panel. It is compact and portable and very sleek in design - perfect for the minimalist! Lightweight and protective, and eco-friendly!