purchase of 5 Pigeon Slim Type 4 months and M round 1 piece [Bulk sets] Nipple, up, hole,

---------------------------------------------------------------------- 1 piece Product Description: ●Made of soft silicone material, the nipple moves in accordance with the movement of your baby's tongue, allowing them to drink smoothly. ●The ventilation holes allow for smooth milk flow and prevent the nipple from becoming crushed or dented. ●For ages 4 months and up, medium size, round hole.