How to Remove the Stench from Sippy Cups - I Can Teach My Child!

Please tell me I'm not the only one who frequently finds nasty, old sippy cups full of curdled milk!!! We recently left our favorite Contigo cup at church

5 Ways to Clean Baby Bottles That Have a Milk Odor - wikiHow

The First Years Teethe Around™ Sensory Trainer Cup, 7 oz - Assortment

Cleaning smelly sippy cup parts. More info in comments. : r/CleaningTips

Help! Why Does My Baby's Breath Smell Like Sour Milk?

5 Ways to Clean Baby Bottles That Have a Milk Odor - wikiHow

Children learning to feed themselves

Review: Munchkin Miracle 360 Trainer Cup - Today's Parent

How to Clean Sippy Cups - Parent Hack

Scent & Mold Free Sippy Cups Unite For HER: Helping to Empower and Restore