Before you sterilize your sippy cup in boiling water, make sure that you thoroughly clean your cup under clean water with mild soapy water first. Once cleaned, follow the steps below:
- Disassemble the cup
- Bring plenty of water to a boil
- Place all parts in boiling water for 5 minutes
Note: To prevent deformation and damage, make sure that the cup and its parts do not touch each other or the side of the pan.
Note: If you have Philips Avent insulated straw cup, it is important to not boil or sterilize the bottle with a steam or microwave sterilizer. Doing this will damage the product. The insulated straw cup's cap and straw can be sterilized.