Clinica Sponge Floss   A dental floss that swells in reaction to moisture to catch and remove plaque as well as food debris Product Features 1.  A floss that expands in a sponge-like way when it becomes wet from saliva. 2.  Three-dimensional loop structure that removes plaque together with food debris. 3.  Highly portable colorful case design. 4.  Contains the natural sweetener xylitol. <<   Top   >>