Don't dispose, just refill Refill your glass floss dispenser with ease. This 100% mulberry silk floss is made with candelilla wax and natural peppermint flavoring, stored in 100% biodegradable cornstarch baggies. With our Peppermint Mulberry Silk Dental Floss Refills - 2 Pack, you'll get 60 meters of strong, durable floss that has the ability to grip between teeth effectively to remove debris.