The bamboo toothbrush set contains 4 toothbrushes made from sustainable sourced bamboo. Also in the package is a dental floss in its own jar and a bamboo toothbrush holder for safe and hygienic storage. All of the contents are free of chemicals and coloring additives, they are safe for your family and for the Earth. The charcoal dental floss is a plus as it prevents plaque build-up and tooth decay by releasing its astringent properties into the hard-to-reach areas of the mouth. The glass jar that acts as the container for the floss is reusable for refills. The brushes and holder are light and portable. The are also smooth to the touch. They can be compactly stored so you have no hassles including them in your backpack for your journeys.