The lids on the 64-ounce stainless steel bottles can eject and strike consumers, two of whom reported permanent vision loss as a result, safety regulators said.

The recall by Walmart covers “Ozark Trail 64 oz Stainless Steel Insulated Water Bottles” which have been sold at Walmart’s stores across the US since 2017.

Walmart has issued a recall for a popular water bottle due to safety concerns. The U.S. Consumer Product Safety Commission (CPSC) published a notice on July 10, reporting that the recall affected approximately 850,000 water bottles sold in Walmart stores and online across the United States since 2017.