Lightest Twin Cell Vest on the Market! Approvals: USA FAA TSO-C13f & C85; German LBA Approval No. 40.321/33; United Kingdom CAA Approval No. AR01445. Adult/Child Combination. Urethane Coated Nylon, Flame Retardant. Passenger Yellow or Crew Molten Orange. Survivor Locator Light: Water-activated.