Bottle FC + PP 300 ml Latex With Temperature Control NUK With temperature control indicator on the measurement scale. The color changes with the temperature of the contents of the bottle. If the food is too hot, the indicator turns from blue to white. It does not contain harmful substances; odorless and BPA free. Wide neck for easy filling and cleaning. Latex teat with exclusive anatomical shape that adapts perfectly to the jaw of the baby, 0-6 months, M (medium hole = milk) and 6-18 months, L (large hole = thick food). With improved NUK ANTI-COLIC AIR SYSTEM ventilation system that helps prevent colic. Includes screw ring, sealing disc and protective cap.