For many travelers, flying on an airplane is a stressful and uncomfortable experience. Airline seats seem to get smaller and smaller, with less and less legroom. For plus-sized passengers, the airline-provided seat belts might not comfortably buckle, presenting a safety issue. If your seatbelt won’t close, you’ll need to request an airplane seatbelt extender. This guide covers everything you need to know about airplane seatbelt extenders so you can fly confidently.