Oh, I have no idea. That sucks to hear though.

Another idea is just to get a random one from amazon/ebay. First few links I found

https://www.amazon.com/Practicon-7039740-Floss-Hands-Pack-50/dp/B01BIXKGWE

https://www.amazon.com/Toothbat-Dental-Floss-Holder-Eco-Friendly/dp/B01KCBMX0Q

https://www.amazon.com/Noble-One-Replaceable-Toothpick-Organizer/dp/B07Y9HXFKK