The NUK Bath Thermometer ensures safe bath-time fun. It is filled with a natural and completely harmless measuring fluid that is based on canola oil. Once you have seen if the water is the right temperature for your baby on the easy-to-read temperature scale, bath-time can begin. The handy bath thermometer is ‘Made in Germany’ from shatterproof plastic that retains its shape. Cheerful water world motifs make for extra fun in the bath!