For the latest recall news delivered straight to your inbox, sign up for our daily newsletter! The recalled mattresses, which came exclusively in white, were sold in twin, full, queen, king, and California king sizes, and came in thicknesses of 10 and 12 inches. The recall was initiated after it was discovered that an aspect of their design does not meet the federal flammability standard set for mattresses, thus “posing a fire hazard,” according to the recall notice. RELATED: If You Bought This From Walmart, Don’t Touch It, FDA Warns.