Milk and Tickles BPA toxin free colour changing Bottles are made from polypropylene plastic (PP) and does not containg Bisphenol A (BPA). BPA mimics oestogen and can interfere with the body's natural hormone structure.

 

Milk and Tickle bottles are heat sensitive and change colour from blue to pink at 35 degree celcius and changes back to blue once it has cooled to 35 degrees.