Spry dental sponge floss with xylitol cleans where your toothbrush cant it combines multiple nylon expanded fibers infused with xylitol to gently and effectively stimulate your gums remove plaque between your teeth below the gum line and as part of your overall daily dental regime sponge floss is more effective at cleaning wide spaces unique patented floss is smooth strong and shed resistant xylitol coated floss studies have shown xylitol has proven oral health benefits a