Pigeon wide-mouth nipples can be used for both glass and plastic bottles. They will be flattened, wrapped, and sent in a zip bag. *Please note that responses may be delayed due to childcare responsibilities for a 0-year-old and a 2-year-old. Thank you for your understanding. ↓Details below↓ ●Set Contents: 1. Pigeon wide-mouth nipple for baby bottles, Mother's Milk Consultation SS size (0 months and up) x 4 ●Condition: Used for about a month and a half, until the end of June 2025. No holes or tears were found, but the nipple's suction area is yellowed. ●Other Notes: Stored at home. These are used items that have been used by a child. Please purchase with the understanding that no claims or returns will be accepted. ●Regarding Discounts ・Shipping costs are estimated at 210 yen + handling fees (10% of the selling price). ・Discounts on shipping and handling fees will be offered for simultaneous purchases of other items. ↓Introduction from the official website↓ ●S (Round Hole) 1 month and up (approx. 10 minutes for 100ml) ●M (Y-shaped) 3 months and up (approx. 10 minutes for 150ml) ●L (Y-shaped) 6 months and up (approx. 10 minutes for 200ml) ●LL (Y-shaped) 9 months and up (approx. 5 minutes for 200ml) ●3L (Y-shaped) 15 months and up, for the completion of weaning *Choose the nipple that suits your baby according to their growth and how they drink. *One guideline for choosing a nipple is that the baby should take 10-15 minutes (5-10 minutes for babies 9 months and older) to feed, similar to breastfeeding. ＜Features of the Mother's Milk Realization Nipple 1 month/S＞ ・From 1 month, round hole ・Supports the three principles of breastfeeding: "attachment," "sucking," and "swallowing." "Attachment" support: Close to the breast, soft texture that does not hinder smooth tongue movement "Sucking" support: A snug curve that fits the mouth, a latch-on guide "Swallowing" support: Designed with a suction hole shape that matches "growth and development" 【Materials/Ingredients/Raw Materials】 Synthetic rubber (silicone rubber) 【Replacement Guidelines】 Use 2 or more nipples alternately for about 2 months.