The Koyuki card is a standard-sized non-sport trading card featuring the character Koyuki from the popular anime series Demon Slayer: Kimetsu no Yaiba. Manufactured by Kayou in China in the year 2026, this collectible card is made of paper and is a must-have for fans of the franchise. With its unique design and tie-in to the beloved show, this card is a great addition to any trading card collection.