The Boblbee Velocity 15 Backpack (Red) is designed to carry an Apple MacBook Air notebook or a compact laptop computer up to14 x 8.0 x 1.2″. Originally made for bike commuters, but it can be used for anyone needing a backpack. It is a super light, soft shell backpack with EVA laminate material. There is an integrated cargo net that is tucked away in a small pocket at the bottom. The backpack can expand slightly by opening a waistline zipper. It is carried by a handle or a backpack harness with a waist belt. .