Pigeon Mother's Milk Real Feel Direct-Attach Baby Bottle 200ml Set of 2 Used for approximately 2 months, from 1 month to 3 months old. The included nipples are size S (large flow). ⚠️Caution⚠️ Each time, the bottles were sterilized with a chemical solution, and one nipple is discolored. The other was used for less than a month, and the discoloration is not noticeable, but there is a crack in one place (photo 4). It can be used if the cracked part is facing up, but there is a possibility of milk leakage, so please dispose of it if you are concerned. Both bottles are clean, but some dirt may remain, so please sterilize them before use. *Not sold separately* Shipping method: Yu-Packet Plus