BUILT 13-Inch Apple MacBook Air Neoprene Messenger Bag, Graphite Grid Protective MacBook Air messenger bag by Built; custom-designed for 13-inch MacBook Air Constructed of extra-thick neoprene (the wetsuit material) Plush inner lining helps safeguard MacBook Air's finish Two interior pockets and one exterior pocket store accessories Bottom exterior grips ensure easy insertion and removal of MacBook Air