⚠️Please be aware of the circulation of compatible products. Please check for the Pigeon imprint. These are being sold as the baby grows. Used in rotation with 4 nipples for about 3 months. They are not as yellowed as in the photos. Only for those who understand that these are used items. Please sterilize before use. The nipples will be folded for shipping. Silicone nipple for baby bottles, size M, set of 4. - Size: M - Quantity: Set of 4 - Material: Silicone Thank you for viewing.