Double-Wall Insulated Mason Jar Tumbler

If you enjoy drinking your ice cold beverages from an old-fashioned mason jar on a hot Summer day, but wish you could switch to hot beverages on a whim and/or avoid endlessly screwing the lid on and off in between sips, then you need to "upgrade" your improvised canning jar vessel to this cool new Double-Wall Insulated Mason Jar Tumbler. Yep, the classic mason jar has been re-imagined with double-walled insulation to maintain the perfect temperature of hot or cold beverages, a redesigned drink-through and splash-free lid that includes a reusable, smoothie-sized straw, and a handle on the side. The only downside is that all food preservation abilities have been lost, but if you splash a little bourbon into your drink, you won't really care.

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