My travel mug started dribbling, so I ordered the replacements rings—and viola! It's leak-proof again!
Absolutely necessary to be able to use thee bottles
I took a chance. they are cheap. shipping costs as much as the product. they dont fit my coffee mug. I have to wait until replacement lids are in stock. No idea why I have to buy a new lid when all it needs is the seal ring.
The delivery was unexpectedly fast, and the rings fit perfectly. Very happy with the product and the service.
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