I purchased a dig coat on ebay on the 17th November that turned out to be too small. The seller had a returns policy and when emailed was happy to receive the item back as it was still in new condition with packaging. The item was duly sent 3 weeks ago. I have emailed the seller twice and had no reply apart from feedback that says "I wish i could do more" whatever that means. What should I do now. Any help would be appreciated.