Due to packing problem, we hope that you could accept the following change:
the quantity of each box will be increased from 80 pcs to 100 pcs.
Furthermore, quotation will be send to you on next Monday.
Kindly confirm that the packing will change from 80 to 100 pcs / carton
(due to problem issued during packing). Revised quotation will be sent to
you by next Monday.