Rounded nylon bristles (soft) for superior cleaning. Ergonomic handle made from 100% corn starch (non GMO!).
Disposal instructions:
1. Break off toothbrush head.
2. Discard thoughtfully. Check with local recycling programs if suitable (nylon is recyclable).
3. Place the rest of the toothbrush into your compost. Please note: the jack n' jill bio brush cannot be sterilized in boiling water or microwave.