Washed & boiled my pump parts & bottles - I paired the Chicco bottles with the pigeon nipples READ BELOW! The Chicco bottles are 100% glass on the inside, and plastic on the outside, so they won’t break when they fall. And the pigeon nipple mimics your nipple! I also hate anything out on my countertops so this was the best way for me to organize. LTKHome LTKKids LTKBaby