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 bio toothbrush cannot be sterilised in boiling water or microwave.