The Westing Messenger Bag by The North Face is a even better than a messenger bag with a fold down flap for easy access, an external laptop pocket, and a comfortable 3 point carry system for biking. Organization sleeves secure your arranged documents for school or work and you can grab some water out of the main compartment on the go. Fits laptops up to 15 Reverse open flap for easy access to internal pocket Dedicated laptop pocket fits laptops up to 15 Three point shoulder strap system with removable shoulder pad Daisy chain U lock holder Reversed Mega PU fabric keeps all your valuables dry External polyurethane zippers for added security Large main compartment with organization Internal silicon backed elastic for pens, USB thumb drives, etc. Material: 300D polyester twill 900D polyester with MegaPU coating Size: 15 x 15.5 x 6 Weight: 1 lb. 9 oz. Capacity: 1550 cu in.