Couple of options, Do Gooder, sell a pure silk floss, and The Eco Brush sell The Eco Floss. Note, you might have trouble composting this one as the floss is PLA, which really needs a commercial composting facility (where it gets hot enough. Just a reminder to always think of how you will dispose of something. Natural materials in a landfill are actually more problematic than plastic, so consider the product and the disposal method you’ll use at time of purchase