Davids Hydroxi™ expanding dental floss, 2 refills - 6pkThe Davids floss refill system is designed to reduce waste & save energy by eliminating single use disposable dispensers. The reusable plastic dispenser opens easily for installing floss refills. Expanding floss design, creates increased surface area to more effectively grab plaque and debris for a deeper clean. Infused with vegan wax & cocoa butter to gently and smoothly clean between teeth and gums. Premium natural mint essential oils for clean