You will need:
– A basin of boiling water
– white vinegar
– bleach
What to o?
1/ Soak your child’s sippie cup in boiling water.
2/ Add white vinegar (enough so that the cup bathes in the vinegar).
3/ Complete with a cup of Bleach.
4/ Leave the beaker to soak for at least 2 hours in this mixture.
5/ Remove the mug and wash it by hand or in the washing machine.
6/ Finish the cleaning and dry the beaker correctly.