Silicone beads are made of: -100% food grade silicone -100% non toxic -BPA free -Lead free Some of our products have wooden beads and rings. The wood we use is unfinished beech wood, and unfinished pine wood. Cleaning Instructions: Do not put in the dishwasher. Wash by hand with mild soap and water. Do not leave any metal parts of a pacifier clip wet. This will result in rust. After item is washed, please dry immediately to avoid issues with the metal. If damaged or beads loosen, please discard immediately. Inspect each pacifier clip/teether before use. Your child should always use this product with the supervision of an adult.