size

hello, on Sunday I went to Thembi complex, I brought High Leg Flat OTK Tassels and am a size 8, when I got home the boats were small :( and I went to midrand mr price in Boulder's were I was assisted by Rebone (great customer service I received ) however I could not find the High Leg Flat OTK Tassels and the money was returned to my account, where can I find size 9 ? thank you