Wrong product and not giving my money back.

I ordered LeakShield sray from Wellora For R 699-00 Order Number #8475 11-11-2025. On the facebook advert they use big spray cans and you think it is big cans but I received 2 100Gram boxes of the wrong Product. I received Leak Repair Cream that you have to paint on with a brush. I let them know and they said they will fix it, ithen received a mail the package is on its way and the another mail telling me it is the correct product just different packaging. I then told them I want my money Back in December and they went quiet.