How to Clean and Replace Sippy Cup Spouts

Quick answer

Clean sippy cup spouts daily with warm soapy water and a bottle brush, and replace them every 2-3 months or at the first sign of wear to keep your baby's cup safe and leak-free.

Frequently asked questions about sippy cup spout care

How do I clean sippy cup spouts daily?

Rinse the spout immediately after use, then wash with warm water and a mild dish soap using a small bottle brush or a straw brush to reach inside the valve. Rinse thoroughly and air dry completely before reassembling. Never let a used spout sit unrinsed for hours—milk residue dries and becomes harder to clean.

Can I put spouts in the dishwasher?

Yes, most Munchkin spouts are top-rack dishwasher safe. Place them in a closed basket or utensil holder to prevent them from falling onto the heating element. Remove after the cycle and let them air dry fully. Check the cup's base for the dishwasher-safe symbol; high-heat drying cycles can warp silicone over time.

When should I replace the spout?

Replace spouts every 2-3 months or sooner if you notice any cracks, tears, sticky residue that won't wash off, a change in color, or if the spout no longer creates a good seal (causing leaks). Also replace after your baby has been ill. Keep a spare pack handy so you can swap immediately when needed.

How do I know which replacement spout fits my cup?

Check the bottom of your cup for the model name (e.g., Click Lock or Mighty Grip). Each spout is designed for a specific cup line and is not interchangeable between different Munchkin cup families. If you're unsure, bring your cup to the store or compare the spout shape to product images online.

What's the best way to store clean spouts?

Store dry spouts in a clean, dry container or drawer away from heat and direct sunlight. Do not stack wet spouts together, as trapped moisture can encourage mold growth. Rotate spouts from your backup pack so no spout sits unused for too long.

Spout replacement options

• Replacement Spouts for Click Lock® Bite Proof Sippy Cups, 2pk: Includes 2 bite-proof replacement spouts for Click Lock® Bite-Proof Sippy Cups. Ultra-soft, durable, with a flexible valve to prevent spills. BPA-free, 6+ months. If you use Click Lock cups, these spouts are the only guaranteed fit and maintain the same leak-proof performance your baby is used to.

  

• Replacement Spouts for Mighty Grip® Cups, 2pk: Pack of 2 replacement spouts for all Munchkin Mighty Grip® sippy cups. BPA-free. Mighty Grip spouts are designed specifically for that cup line, so swapping them out is simple and keeps the cup working like new.