I purchased this item used, but I'm selling it because I bought another one. I never used it, and I've kept it carefully stored! I'm not sure how many times it was used, but I purchased it with the description that it had been fully sterilized. cottoli Kotori Pigeon Birthday Limited Edition Design Please purchase only if you understand that this is a used item. I will wrap it in cushioning material and ship it. Pigeon Mother's Milk Realization Nipple Bottle 240ml Plastic