NextBrush is a brand of Brushes of Teeth of bamboo for adults and children. Bamboo is one of the most Ecological of the planet. Absorbs a lot of CO2 and grows super fast. This saves the plastic that a traditional toothbrush is made of. NextBrush hairs are made of BPA-free Nylon-6. This makes the brush 99% Biodegradable. There are three types of hardness in adult brushes : soft, medium or hard, and a single model for children's brush from 5 years.
(Information and images taken from NextBrush)