Peace of mind finally a product that is ok to chew non toxic 100 medical grade silicone easily cleaned in hot water or steriliser dishwasher safe silicone is naturally odourless so no chemical smell intended for adult to wear and baby to chew saving your good jewellery and meaning you always have something to hand for a teething baby breakaway safety clasp secure fastening undone under pressure thus preventing injury to mum clasp is plastic so no possibility of mummy or child havi