Do the BURSTkids Flossables contain fluoride? April 13, 2023 16:22 Updated The BURSTkids Flossbales do not contain fluoride. Related articles How long will it take for the BURSTkids Flossables to biodegrade? Where is the BURST Floss made? Will I have sensitivity after using the Teeth Whitening Trays by BURST? Where are the Teeth Whitening Trays by BURST made? Is the BURST Floss Compostable?