I understand now that you are factory, so only normal package you made as standard. However, as I mentioned that I would like to try for trail order and I want to make it different look and feel to attract customer and make your product different from all cheap items in Thailand market.
The packaging is very important as I will put these trial units to Apple Premium Reseller and Samsung Premium Reseller stores in Thailand which normally require good brand or good product with nice packaging.
By the way, I think your current package, shape, sizing are all ok, but need a better nice graphic and better paper material.