This Pigeon Flexible Slim Neck Nipple (M) two-piece set is an excellent choice for general promotional campaigns aimed at new parents and families. Each nipple is made from soft, flexible silicone that mimics natural feeding motions, designed for babies aged 4 months and older. Features a Y-cut hole for comfortable milk flow and an Air Ventilation System (AVS) to help reduce gas intake. The slim neck design closely resembles a mother's breast, assisting in the transition from breastfeeding to bottle feeding. These nipples are BPA/BPS-free, ensuring safety for infants. Product dimensions are approximately L:1 x H:1, with a negligible weight. This item is ideal for general promotional activities, offering a practical and trusted product for infant care.