Pigeon's range of wide neck feeding bottles includes the highly acclaimed Softouch Peristaltic PLUS teat – the result of extensive research in latching, peristaltic movement and swallowing. The Softouch Peristaltic Plus teat aims to be the closest teat to a mother's nipple to reduce nipple confusion and promote easy bottle feeding. Made from strengthened borosilicate glass (the same glass used in glass measuring jugs) in an ergonomic design. Includes an M Teat. The M teat tip is a cross-cut or Y-cut, meaning no milk will drip out without your baby actively sucking. When your baby does suck, the cross-cut opens like petals of a flower allowing as much milk to flow through as the strength of your baby's suck. This is why this style of the teat is often called a Variable cut.