Amazing! The best ones.

Love it! keeps everything ice cold. Like you can use with or without straw. When straw is in, there is a small gap from complete closure, but keeps ice still along time. You have to release pressure (open slider) to pull lid off, now that is a good seal! I have smaller hands and can hold bottom of tumbler very comfortably. Update - loved it so much bought 4 more couple in the 20 oz size too. Told my husband we are going through the closet and getting rid of all our other tumblers, we only need these 😁!

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