Similac Infant Nipple & Ring Latex Free Ready to Use (1 Box with 250 Nipples and Rings) Review Sailore Nipples May 29, 2018September 18, 2018Baby Products, Bottle-Feeding, Feeding, Similac 0 Comment Ready-for-use nipple and ring that match the infant’s sucking strength or need. Latex free. Latex free. 250 in case More Ready-for-use nipple and ring. Latex-free.