Bicycle Canvas Pannier Satchel Bag The Alban Satchel bicycle bag is constructed from water resistant black canvas. The Satchel works as a BICYCLE PANNIER BAG, SHOULDER BAG, CROSS BODY MESSENGER BAG, BACKPACK and OFFICE BAG. Features an internal padded laptop compartment that can hold a 15" laptop or MacBook. Detachable shoulder and backpack strap for versatile wearing and comfort. The Satchel bicycle bag has an oiled leather carry handle and straps and YKK zip closure.