The CPSC and Walmart have issued a voluntary recall notice for consumers to get a full refund and stop using or return the Ozark Trail water bottle immediately.

Walmart is recalling about 850,000 stainless steel water bottles because the lid can “forcefully eject” and unexpectedly strike consumers — resulting in permanent vision loss for two people to date.

Walmart ( WMT, Financials) is recalling approximately 850,000 Ozark Trail 64-ounce stainless steel bottles due to a dangerous lid malfunction that has caused serious injuries, including permanent vision loss in two individuals, according to a July 10 alert from the U.S. Consumer Product Safety Commission.