Numerous cases of acute renal failure in dogs and cats from 2004-2007 were associated with the ingestion of dog and cat pet food products and the suspected contaminant was identified as melamine and its derivatives such as cyanuric acid and melamine cyanurate. Melamine is a chemical used primarily for the manufacture of plastics. coatings. commercial filters. https://www.lightemupsequences.com/hot-mega-Esko-Nexus-HeightMaster-Vented-Safety-Helmet-big-savings/