NATURBRUSH KIDS TOOTHBRUSH .1 The pink children's toothbrush, designed specifically for kids, is crafted from sustainable bamboo. These brushes are carefully produced using eco-friendly bamboo, ethically harvested from the forests of Ningbo. The bristles are primarily derived from renewable resources, mainly castor oil. Bamboo itself possesses natural antibacterial and antifungal traits. The handle of the toothbrush is made from bamboo and features a pink enamel coating on the lower third, ensuring it is biodegradable and will break down easily, enriching the soil as compost.