All BIBS dummies feature a vented teat which are tiny holes which allows air to escape, thus allowing it to stay soft and keep its shape, thereby helping to prevent jaw malformation.
Due to the "vent" opening, water can sometimes enter the teat when the soother is boiled or sterilised, if this happens let the dummy cool down and then simply press out the remaining water using your finger and thumb, with the ring facing downwards
Size 1 which is suitable Newborn until 6 months.
Size 2 which is suitable NB-18m (This is a guide online. BIBS made size 2 as their universal size suitable for NB until bub no longer needs a dummy)
Size 3 which is a larger teat suitable for babies which like a larger size