L size nipples for breastfeeding, compatible with the Mother's Milk Realization bottle, suitable for babies from 6 months old. This is a set of 4 nipples: 1 new and unused, and 3 that were used a few times and stored after sterilization. One of them has some yellowing, possibly due to aging. Please understand that these are not perfect items before purchasing. For shipping, they will be compressed as shown in the third photo. The box will be included folded if you need it. - Brand: Pigeon - Size: L - Target age: 6 months and up Thank you for looking.