round and flat flanges in translucent colored polypropylene. Ventilation holes. Anatomical nipple shields in rubber (0-6 months). Ring to attach-soothers. Choice of 2 colors.
Advice: prefer the steam sterilization in a electrical sterilizer to than soaking in a disinfectant liquid which leaves a strong smell in the nipple shield.
Advantage: to buy by 2 allows to have an identical soother of replacement in the event of loss.