Stanley has recalled 2.6 million Switchback and Trigger Action travel mugs in the U.S. after reports of lids detaching due to heat exposure, leading to 38 burn injuries globally, including 2 in the U.S. Affected mugs were sold from June 2016 to December 2024 at major retailers like Walmart and Amazon. Consumers are urged to stop using the mugs and can obtain free replacement lids. The recall includes double-walled mugs available in various sizes and colors, and specific product IDs are provided for identification. A toll-free support line is available.