Vivanwear — not refunding my money

Hi sir,
I purchased two items from vivanwear online shopping site (https://vivanwear.com/).
. I returned items because of oversize but after taken items back, they are not responding. They are picking call and not replying on mail also.

Given order details.
Orderid vw112223

Please sir help me in this issue. They are cheating a lot of people like me.