For Browncoats who prefer belts to suspenders, you can now wear a symbol of Serenity every day! This Firefly Engineered by Firefly Belt Buckle is a molded pewter-finish belt buckle, and features an exact replica of the builder plaque seen on the bridge of Serenity in the TV show, Firefly . Measuring 4-inches wide x 2 1/4 inches tall, the Engineered by Firefly Belt Buckle is made of a strong, lightweight metal alloy. It fits belts up to 1 3/4-inches wide.