BioBambú Children's Toothbrush. 0% plastic. Plant-based bristles. Soft hardness. BioBambú, Children's toothbrush 0% plastic. 100% bio-based plant-origin bristles, with a bamboo handle from sustainable FSC cultivation. Antibacterial. Biodegradable. Vegan – BPA-free o 100% plant-origin bristles (castor oil) USDA certified o Hardness: soft o 0% plastic o Vegan - BPA-free o FSC certified sustainable bamboo o 100% FSC certified unbleached cardboard packaging o Glue-free packaging with soy ink Our brushes can be used from 2 years old up to approximately 8 years old, depending on each child's tolerance to the hardness of the bristles, and all those children with more sensitive gums, etc., can continue to use them, even throughout their life.