This is one Pigeon slim-type nipple. Suitable for use from 0 months. I bought this as a spare, but I didn't need it. ⭐︎ * Shipping will be done with the box flattened. * The box has some tears. ⭐︎ Immediate purchase is welcome! ⭐︎ I try to ship within 24 hours. ⭐︎ Bulk purchases are also welcome! Discounts are possible for bulk purchases. ⭐︎ Please feel free to comment if you have any questions!!