Baffalo logistics is robbing us a lot of money they put extra money on their custom duties

I have been buying ****hes from shein and paying costom through baffalo logistics and my clotjes have always been rangung around R1200 with costoms around R130-150 i am shocked to get an email saying i need to pay R427 costom on clothes that does not weight even 2,5kg all of my clothes have been weighing less that 2,5kg and ive been payin R150 but woth this one it just went up up and ive seen. People complain that you guys add ur very own extra money then. Make us pay then u benefits. Baffalo logistics is robing people of their money i hope shein stop using them as a dilivering company