Our eco-friendly wooden teetherfor babies is made ofSustainable Beechwood Timber & Food Grade Silicone. This is the best option over mainstream baby teethers, as they are eco-friendly, non-toxic, and 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, making it a safe teether for babies. Silicone is a great sensory material and is soft on sore gums. As an Australian baby store, each one of our baby products is made with your baby's best interest at heart.