The Vintage Keychain Trane Thermometer Key Ring Fob is a modern keychain featuring a unique design that includes a thermometer and advertising for Trane Heating and Air .  Made of plastic, this keychain is both functional and collectible, perfect for fans of vintage advertising and unique keychain accessories. The keychain's era is modern, dating from 1990 to the present, and the character family is centered around the Trane Thermometer brand. Perfect for adding a touch of nostalgia to your keys or purse, this keychain is a must-have for vintage enthusiasts.