Mam bite and relax teether 4 months the bite and relax teether is the winner of the mother and baby gold award its innovative design is effective reaching emerging back teeth all 4 surface structures are different and all sides can be chewed on to soothe away pain instantly the functional design is extra light weight comes with safe and easy steriliser box that microwaves in 3 minutes and can be used as a handy travel case this baby safe product is bpa free phthalate fre