KNOG Pig Dog Messenger Bag (Blue/Grey) 2008 Knog Pig Dog 15.5" Messenger Bag Blue Water Resistant 1200D fabric with taped and sealed seams outside, waterproof tarp on the driveside. Water sealed zippers and heavy duty hardware Padded carrying handle, converts to backpac Padded 15.5" laptop case, multiple internal organizer pockets / 430 x 350 x 160mm Total Volume: 1469 in3 Fits all laptops upto 15.5"