To return a Stanley thermos for replacement, first contact Stanley's customer-service team by phone or email for specific instructions. Stanley offers replacements for thermoses under warranty.
Stanley's warranty support center can be reached Monday through Friday between 7 a.m. and 5 p.m PST except on holidays. If you need replacement parts for a broken thermos, you can purchase new stoppers, seals, lids and cups through Stanley's official website and repair the products at home.
Stanley has specialized in manufacturing portable, durable food and beverage containers for over 100 years. As of 2014, its line of products includes coolers, vacuum bottles, mugs and food jars.