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Costco members can purchase the Simple Modern 40-ounce tumbler for only $22.99. This is a good deal, as Amazon sells the same tumblers for $29.99 each.
The KCL team compared the Simple Modern tumbler to the Stanley brand in an ice test, and the Simple Modern tumbler came out on top.
A Costco membership is required to score this deal. Become a Costco member by signing up for a membership. To learn more, read our complete Costco membership guide. Our team has gathered up the best Costco Warehouse savings tips to help maximize your savings at Costco.