Colic in infants may be caused by a number of influences. Some experts believe that the discomfort caused by ingesting air during feeding is a significant contributing factor and when bottle feeding, this can be stressful and upsetting for both parents and babies. 
The Anti Colic range from Tommee Tippee Closer to Nature is specially designed to help prevent colic by reducing air bubbles in the milk and to encourage a good latch-on during feeding. As with all Closer to Nature bottles and nipples they are designed to also allow moms to switch between bottle and breastfeeding with limited disruption or confusion for baby