Groupon offers the Contigo West Loop Stainless Steel 16-oz. Travel Mug with Autoseal Lid 2-Pack
in Vivacious (pictured), Matte Black, or Stainless Steel for $24.99. Coupon code "VISA5" cuts it to $23.74
. With $3.99
for shipping, that's $13.87 each and the lowest price we could find for the quantity today by $11. These mugs feature double-wall, vacuum-insulated stainless steel that keeps beverages hot for four hours or cold for 12 hours. The lid is made of BPA-free plastic. Deal ends October 12.