Contigo Spill-Proof Kids Tumbler with Straw, 14 oz., Eggplant

from Kskillz

This cup is good that it doesn't leak! But for some reason the liquid comes up from the straw and puddles right around silicone straw stopper top . This issue is MOLD! I have carefully cleaned according to instructions . I have used tiny brushes . I just can't get rid of the mold inside the “ai...

from Mink

I noticed mold under the valve and pulled it out to clean and now I cant get it back in. I'm afraid the cup is basically useless now as it's no longer a spill proof! Tough to clean

from monsheri24

I purchased two of your Kids Spill-Proof Stainless-Steel Tumbler with Straw and THERMALOCK, 12oz., around two years ago. It is only used for water by my grandson. I wash it either in the sink or on the top rack of the dishwasher. I find it is excellent at keeping water cold, but recently notice...

from Ukllery7

LOVED these for quick morning smoothies on the go. However, the lid on all 6 of these cups has black mold under the seal where the straw comes through and there's no way to get under it to clean it. DON'T BUY THEM.

from Jaclynjrl

The vent slit in the top gets absolutely disgusting and I have tried everything to clean it. I can't believe they are allowed to sell such an unsanitary cup.