This natural silk dental floss is made from premium mulberry silk, which is soft, flexible, and strong, yet gentle on your gums and teeth. It is 33 yards long and comes with a refillable glass container for easy storage and disposal. The floss is wrapped around a cardboard core for easy use and comes with a free refill of natural candelilla wax. The wax is biodegradable and eco-friendly, making this dental floss a zero-waste product. It is also unflavored, so you can enjoy the natural taste of the silk floss without any added chemicals. This dental floss is an excellent choice for those who want to maintain good oral hygiene and promote healthy gums and teeth. It is gentle enough for daily use and can help remove plaque and food particles from between your teeth. The refillable glass container is a sustainable and eco-friendly choice, and the free refill ensures that you can use this dental floss for a long time to come.