a large practical bag was chosen because of the triangular shape and ledges closing over the zipper that allow you to carry the bag open by the handles.
sewing in 2 layers
height from bottom to ledges 27cm length 50cm bottom width 19cm
fabric costs: 50+19+50+19=138cm per layer 1.38*2= 2.8m * 5500 = 15400 bag cost = 2700 tailoring cost = 1200 (without changing the lining)