The mam silk teat feels completely familiar with a proud 94 acceptance rate and is designed with a symmetrically shaped teat meaning they are always in the right position because babies grow quickly mam soothers come in three sizes ideal for healthy jaw and teeth development packed in a convenient steriliser box they can be sterilised in 3 minutes in the microwave without the need of a separate steriliser r r r r market research 2010 2014 tested with 1 236 babies