The toothbrush handle is made of carbonised bamboo and 100% biodegradable. Bristles are made of high quality nylon material and not biodegradable.
Adult toothbrush – 19.5cm / 7.6”
The bamboo toothbrushes are designed to last about 2-3 months before the bristles start to become splayed. Oral hygiene experts also recommended switching toothbrushes every 2-3 months or earlier if the bristles are splayed.