My household has a “one in, one out” rule with beverage containers. No matter how cool the complete collection is, if we must make an addition, we have to be able to live with repatriating one to another owner so the overall number doesn’t change.

In the case of the Klean Kanteen Insulated TK Pro Bottle (ours is the 16-ounce version), I may have made the previously-owned bottle sacrifice, but my husband quickly snagged the new bottle and has claimed it for his own.

The high-performance, plastic-free, BPA-free “thermal Kanteen” is made of stainless steel and silicone.  The electropolished 18/8 food-grade stainless steel interior doesn’t retain or impart flavors, so you can enjoy the full flavor of your beverage. The bottle’s double-wall vacuum insulation keeps contents hot (25 hours) or iced (70 hours), as you prefer.

The integrated double-wall cup and cap are also stainless steel, and the twist-and-pour cap has a 360-degree pour-through design, so you don’t need to take it all the way off to pour the contents of the bottle.

How can the bottle keep things hot or cold for so long? The TK Closure internal thread design helps increase thermal performance. The bottle is also leakproof, so you can stash it in your bag at any angle and trust that it won’t douse your clothes or your laptop while you’re not paying it any attention.

The Klean Coat finish is chip resistant, so the easy-to-clean bottle will look sleek and cool for years to come.

The Insulated TK Pro bottles come in three sizes: 16 ounce, 25 ounce, and 32 ounce. They list for $39.95, $44.95, and $49.95 respectively, on the Klean Kanteen site. All are available in either brushed stainless or matte shale black colors.

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