Pigeon × Cottoli 母乳実感 (母乳 Jitsukan) Baby Bottle Plastic / 240ml Cottoli 240ml with M-size nipple Set of 2 Pink / Yellow 　　Boiling　　　　◯ (Yes) 　　Microwave　　✕ (No) 　　Chemical Sterilization　◯ (Yes) Pigeon × Birthday Limited Edition design. I opened the film intending to use it, but ultimately only used other baby bottles, so I haven't used these at all (and haven't sterilized them). Please only purchase if you don't mind that these have been stored at home by a private seller. No individual sales, only as a set.