David’s 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. Length is 32.8yd / 30m. 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 fresh flavor. Nano-Hydroxyapatite added for aiding remineralization in hard to reach areas. Multifilament polyester strand (250+individual woven strands) designed for max strength. Using daily helps to: improve oral hygiene, prevent bad breath, strengthen enamel, lower risk of tooth decay, lower risk of gum disease, and freshen breath. Ingredients: cocoa butter, microcrystalline (vegan) wax, nano-hydroxyapatite, mentha piperita (peppermint oil), mentha viridis (spearmint) leaf oil, pimpinella anisum (anise) seed extract, potassium chloride, gaultheria procumbens (wintergreen) leaf oil. Polyester source material made from recycled water bottles. Non-plastic alternatives simply do not function as well as the application demands.