Firefly Ship Works Ltd., the primary designers and manufacturers of the Firefly class transport ship (Serenity). Design inspired by the cult classic science fiction TV show, Firefly. Printed on our super soft ring-spun & combed cotton unisex T-Shirt. Or upgrade to our Luxury vintage heather edition (cotton/poly blend) for an even softer, more durable, classic look. We print & ship all of our high quality graphic tees in the USA.