Very well made, silicone pacifiers. My son has been using these for almost 3 months (he is now 8 months) and they are as new. He uses them as teethers too, chewing the edges and the handle, and they are holding up really well, even now that he has 4 teeth - no damage at all. I sterilise them daily, but I don’t use the sterilising case they came in, so I cannot comment on how that holds up. I sterilise them in boiling water in a pot or mug. I was also happy to see that they are made in Italy (ChiSee full review