One of the primary benefits of opting for wooden teething rings over plastic or other popular baby teethers is the fact that wooden teethers are non-toxic and free from harmful leads, metals, BPA, chemicals or phthalates. Our wooden teething rings are also sustainable and ethically made. Wooden Teething Toy Features 20 cm long Rattle & teething ring If lost or found identity tag! Toy hook so it doesn't get lost