[This review was collected as part of a promotion.] The 30 oz Era is the perfect size for me. Most of the larger ones are too heavy for me when filled with water. It keeps my water cold for a long time, even when it’s in a hot car. The handle is comfortable to hold and I like the rubber rim on the bottom..it keeps it from clanging on hard surfaces when you set it down. The Guava color is gorgeous, too! I have several of these in different colors and I love them all!
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