Can a smoothie be used with this straw? Would it be too thick to go through the valve?

If you can read my review (w/ pics), I go into great detail about why this cup is horrible for smoothies. I bought this cup specifically w/ the intent to use it for smoothies because of the large gauge straw. Beware the interior straw valve, it's easily damaged (and always seems to smell). The biggest problem with this cup is that the smoothie slowly creeps up the straw and out of the top of the straw and then fills the recess on the top of the cup and can cover the vent hole, which then pulls smoothie into the lid's matrix, where it gets trapped forever and molds. It happened to 3 cups!!! I finally gave up and trashed them all. We use the Thermos Brand "Fun"tainer for our smoothies now and have no complaints.

Any ideas how to get the water trapped in the lid out?

You can remove the small white gasket beneath the lid, allow the water to drain, and then - this parts important - wet the gasket and then use the sipping end of the straw to force it back in. Found this on Contigo’s website.

How easy does this clean? Any trouble with mold developing?

We had the same problem after only using it for water. We thought we'd have to throw it away as our bottle brushes couldn't reach the trouble area. My wife has a water-pik flosser and I suggested we try that. She was able to pump a little soap in there and then spray both sides with it and finally got the mold out. Now if we can find a good way to dry it the problem may be solved. So as long as you have a $100 waterpik you'll be able to clean your $10 cup lol.

Are there replacement straws? if not. please make them! my son is a chewer and destroys theses! a perfectly good cup in the trash is a waste.

I have no idea. Best to ask dealer .

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Description

🚫 Sip worry-free, spill never! The tumbler that grows with your kid.

SAFE SOUND - Crafted from 100% BPA-free plastic, ensuring toxin-free hydration.
KID PROOF GRIP - Soft bottom pad prevents tipping and slipping on any surface.
ON THE GO READY - Fits most car cup holders for seamless travel with your little one.
HASSLE FREE HYGIENE - Straw twists apart and all parts are top-rack dishwasher safe for effortless cleaning.
NO SPILL CONFIDENCE - Spill-proof valve and silicone seal keep every drop inside, even upside down.

The Contigo Kids Spill-Proof 14oz Tumbler combines a spill-proof valve with a silicone-sealed straw to eliminate leaks, while its BPA-free plastic construction ensures safe drinking. Designed for easy cleaning with dishwasher-safe parts and a twist-apart straw, it features a soft grip bottom to prevent tipping and fits most car cup holders, making it the ultimate no-spill hydration solution for kids aged 3 and up.

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