If you like to nurse your morning coffee, it's time to upgrade your mug. My favorite is on sale through Walmart right now, but there are a bunch on sale during the final hours of Prime Day, too.

These "Perfect" Le Creuset Mugs Are Just $14 Each (and They're a Prime Day Bestseller!) Check out more great Amazon Prime Day ...

Based on our test, the Zojirushi mug was able to keep coffee hot for 14 hours, which was an impressive five hours longer than the next-best mug we tested. And it's not just for hot beverages either.

Sunday is National Coffee Day! Celebrate with these deals from your favorite coffee shops. News. ... The first 25 customers at each participating location will also receive a free limited-edition mug.

I tried 16 travel mugs and found three I trust to hold my morning coffee. ... Best travel coffee mug runner-up: Fellow 16-Ounce Carter Move Travel Mug. Gareen Puglia/CNN Underscored.