Stanley issued a recall of 2.6 million of the popular drinkware business’s Switchback and Trigger Action stainless steel trip mugs due to a defect causing burn injuries, according to the buyer Product Safety percentage.

The rationale for the recall is due to the mug’s lid threads shrinking “when exposed to heat and torque,” which causes “the lid to detach during use, posing a burn hazard,” the CPSC said on Thursday.

To remedy the circumstance, the CPSC is suggesting consumers “immediately stop using the recalled trip mugs and contact Stanley to receive a free replacement lid, including shipping.”

The affected mugs have been sold in the U.S. and in a variety of colors and sizes, including 12 ounces, 16 ounces and 20 ounces, according to the CPSC. The mug’s lid is made out of polypropylene, a ordinary thermoplastic that is chemical resistant, heat resistant, flame resistant and gas and water permeability resistant, German manufacturer Xometry said.

“At Stanley 1913, we are committed to constant advancement and are concentrated on creating standard products that are built for life,” the business wrote in a Facebook post announcing the recall.

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How many people have been injured by the recalled Stanley mugs?

So far, Stanley has received 91 reports worldwide, including 16 in the U.S., of the recalled trip mugs’ lids detaching during use, according to the CPSC. Due to this defect, 38 injuries were reported worldwide, including two burn injuries in the U.S., the agency said.

Of the 38 worldwide burn injuries, 11 of them required medical attention, the CPSC said.

What retailers sold the Stanley mugs?

According to the CPSC, the trip mugs were being sold at Amazon.com, Walmart, Dick’s Sporting Goods, Target and other stores nationwide and online from June 2016 through December 2024 for between $20 and $50, depending on the model.

The mugs were manufactured in China, the CPSC said.