teteo Nipple Example S/M Size Unused. I bought these but didn't use them, and they've been stored at home for a long time. I will ship them by taking the nipples out of the box and folding them (they will return to their original shape). (The box will be shipped folded.) S size M size Set. A set of nipples for baby bottles that matches the baby's growth. - Sizes: S, M - Target age: 0-3 months, 2-18 months Anonymous delivery. No discounts. Thank you for looking.