Want my money bcack from Shein they must refund my money

Ladt year September I ordered clothes from them fine they give me the tracking no when I tracked the parcel delivered in Pinetown October it was not my first time is my second order O received the 1st one now they promise to trace and said it back to me this year I asked for refund of R700 plus they promised now they are no longer respond to my email anymore I still need my goods or refund m staying in Upington not Pinetown