The Southwest Airlines Boeing 737 canyon blue fuselage heart keychain is our third most popular item. The heart is solid and safe to handle. A wire aviation loop key ring secures the heart holding multiple number of keys or to a wide loop of luggage or a purse. It is a popular item featuring the canyon blue color in the history of the airline. It is definitely a collectible also capturing the historical culture of Southwest Airlines. A perfect gift for any aviation lover or Southwest Airlines enthusiast.