Eco-friendly Kids Bamboo Toothbrush: Soft bristles for gentle cleaning, biodegradable bamboo handle, colorful designs for fun brushing. Safe, sustainable choice for children's oral care. Promotes eco-conscious habits early. ~~~~ Care Instructions: Because of the dentist recommended Nylon-4 bristles, each toothbrush is recommended to be replaced every 3-4 months. Remove the bristles with tweezers or pliers and check with your local recycling center for proper disposal. The bamboo handle is completely compostable.