Any thought on how to verbs sippy cups? I have almost 30 or so sippy cups I bought for my...

I have almost 30 or so sippy cups I bought for my granddaughter. She is not using them any longer. I want to give them to our church. How do I verbs them so they are not so smelly. They have be cleaned in the dishwasher, and I am buying trial spouts for the ones I can find. Any ideas???
Stain on my passenger form within sports car?
Answers:    pipe stem cleaners and dish detergent work resourcefully on the spouts, very hot dampen with dishwasher detergent added will verbs the plastic, let them soak a while and use rubber gloves on your hand.
What is the proper process to dry-clean your...
Use very hot hose down and Dawn dish liquid.