Marathon kickzz oder:1126

Good day I bought a a sneaker from marathon kickzz on the 27th of November 2020 and it cost me R2000 delivery included and they promised delivery in 3 working days but I'm still waiting after payd via eft, I haven't received my order and nobody is telling me something or responding on my recent emails, or helping me in giving me a refund, oder 1126.