Walmart offers the Contigo 20-oz. Autoseal West Loop Stainless Steel Travel Mug
in Stainless Steel for $15.09
offers it for about the same via pickup, and Amazon
offers it for the same with free shipping for Prime members.) Opt for in-store pickup
to avoid the $4.97 shipping charge. That's the lowest price we could find by $3, although it was $2 less in December. It features double-wall, vacuum-insulated stainless steel that keeps beverages hot for five hours or cold for 12 hours. The lid is made of BPA-free plastic.