Unprofessional stuff and rude manager of Pep store Sunnypark Mall ( Store 6159) Pretoria

I bought a small plastic bag to send a parcel at Pep store 6159 (Sunnypark Mall ) so the cashier told me that the plastic is small for my parcel so i told him that i sent the very same parcel with the same plastic few weeks back then he sold it to me , when i was putting my parcel inside the plastic the plastic got torn so the stuff who was helping me said she cant take the parcel as the plastic is torn then everyone in the store got gang up on me that i was told the plastic is small , i told them i did not force the parcel inside the plastic so i need my refund , they said there is no refund , the closed the store doors at 16:00 when they are closing at 17:00 , i stood there for more than 50 minutes without any help even the manager ( suzan nkwana ) didnt bother to come with a solution , i was very dissapointed , i need my R60 refund or the parcel to be sent , i even showed them the same parcel that i sent few weeks back with the same small plastic i bought ....parcel number D*** but it was not scanned as i was not help , my customer is waiting for their parcel , looking forward to hear from you as soon as possible