Pigeon Softouch Peristaltic Plus Wn Nursing Glass Bottle 160 ml Pigeon biberon is made from 100 percent silicone and feel warm when filled with warm milk on the baby's cheek. Pigeon breast feeding bottle allows natural and smooth movement of the tongue. Pigeon bottles also built to be simple to handle and comes in two sizes to meet the baby's growth and feeding needs. The bottle's cap is also transparent and designed to avoid rolling. BPA Free.