Ortlieb Office Bag Large Pannier

This is a waterproof Office-Bag that mounts onto all standard racks with a max. diameter of 16mm.
It has an adjustable QL2 rail which is fixed diagonally and can be rotated to the left or right for increased heel clearance during pedalling and lower anchoring hooks which secure the bag and keep it in place.
It also has two inner pockets, reflectors on left and right side, bottom feet, carrying handle and detatchable shoulder strap.
Dimensions: 11.8" x 15.7" x 6.7"21L.