I've notice that after we wash & air dry our silicone nipples, frequently they will have a light whitish kind of film on the inside. This film survives boiling water sterilization too. I would
Philips Avent Natural Response Nipple Flow 4, 3M+, 2 pack, SCY964/02, Natural Response nipple, Flow 4
SOFT AND FAMILIAR FEEL: Naturally hygienic, extra-soft, easy to transition between breast and baby bottles, and avoid nipple confusion; made from the
Nanobébé Flexy Silicone Baby Bottle, Anti-Colic, Natural Feel, Non-Collapsing Nipple, Non-Tip Stable Base, Easy to Clean 3-Pack, Teal, 5 oz
Cloudy bottle nipple?! What is it? - September 2021 Babies, Forums
★[Easy & Quickly]: Electric baby bottle brush set has 2 speeds and rotating silicone bristles, you can choose the right speed according to your needs,
Electric Bottle Brush Set with Silicone Bottle Brush, Nipple Brush,Straw Cleaner,USB Rechargeable,Waterproof IPX65, Gift for New Moms,White
Parent's Choice Bottle and Nipple Brush Set, Pack of 2
Tommee Tippee Closer to Nature Added Cereal Nipple
Bibs Baby Glass Bottle Complete Set Latex - Sage : Target
Duo Deluxe Baby Bottle Gift Set, Feeding
Babymoov Turbo Pure Sterilizer Dryer Patented Purified Sterilization, Fast & Clean Drying, Bottle Storage and Easy Use : : Baby