The Consumer Product Safety Commission (CPSC) is warning consumers to immediately stop using certain Classic Brands Holdings Cool Gel Ventilated Memory Foam mattresses. The units fail to meet the mandatory federal mattress flammability standard and pose a fire hazard. According to the CPSC, the units include mattresses manufactured in Spain between January 2021 and August 2022 that were sold online on Amazon.com, Walmart.com, Wayfair.com, HomeDepot.com, Macys.com and Target.com from March 2021 through October 2022 in Twin, Twin XL, Full, King and California King sizes. According to the CPSC, Classic Brands Holdings LLC is going out of business and unable to conduct a recall. The CPSC urges consumers to dispose of these mattresses immediately.