This post is paid for by our advertiser, Genuine Thermos Brand.

This Thursday, May 23rd, beverage fans in the Bay area are invited to celebrate the first "National Fill Your Thermos Brand Bottle Day." Genuine Thermos Brand has partnered up with Contraband Coffee Bar to offer free fills to Thermos-toting customers throughout the day in their shop at 1415 Larkin Street!

And now through the 23rd, you can enter to win a 16 oz. Stainless Steel Travel Tumbler or an 18 oz. Vacuum Insulated Hydration Bottle by liking and entering at Facebook.com/Thermos. But even if you don't win, check out the infographic after the jump to see the good you'll be doing just by switching to a Thermos for your daily beverage needs!