Bamboo Toothbrush. • Replace every 3-4 months: Like any toothbrush, it’s best to replace your bamboo toothbrush every 3-4 months or when the bristles start to fray. Biodegradable : Unlike plastic toothbrushes that can take up to 500 years to decompose, bamboo toothbrushes are 100% biodegradable.
eBay