Used for about 2 months at the hospital after giving birth in 2021, then stored at home and used for about 2 months in 2024. They are still usable, but the nipples are slightly discolored compared to new ones. I washed and sterilized them every time I used them, so I think they are in good condition, but please understand that this is based on my personal assessment. Two Pigeon 100ml wide-neck baby bottles, made of plastic and easy to use. - Brand: Pigeon - Capacity: 100ml - Quantity: 2 bottles - Shape: Wide-neck - Material: Plastic Thank you for looking.