An eco-friendly rattle that is made from sustainable Beechwood Timber & Food Grade Silicone is a wonderful toy because when shaken, it makes a sweet clinking sound that your baby will love! They are also eco-friendly, non-toxic, free from harmful leads, metals, BPA, chemicals & phthalates. Silicone is a great sensory material and is soft on sore gums. Beechwood is naturally anti-bacterial.