Material                       :  Canvas
Height                         :  42cm
Width                          :  31cm
Thickness                    :  14cm
Oblique dorsal              :  90cm(adjustable)
Capacity                      :  can put A4 paper
Inner      :1 compartment pocket , 1 zipper pocket
Out side : 2 side pocket
(Manual measurement, error is inevitable,1 -3cm were within the normal range)