They are currently sold on on Amazon. But I think I found them on eBay under a different category.

https://www.ebay.com/itm/222436444289

Here is the original Amazon listing in case it comes back.

https://www.amazon.com/dp/B075F5M9HN/ref=cm_sw_r_cp_api_i_mO2aFb7QXY7MA

These are sold out in Amazon right now....but I think I found it on eBay under a totally purpose.

Original Amazon link: https://www.amazon.com/dp/B075F5M9HN/ref=cm_sw_r_cp_api_i_mO2aFb7QXY7MA

EBay possible match: https://www.ebay.com/itm/222436444289