The product is a Pokemon TCG Marnie SWSH121 Black Star Promo Card in near mint condition. It is from the Sword & Shield set of promotional cards and features Marnie as the trainer character. Illustrated by Naoki Saito, this English-language card has a holographic finish and is part of The Pokemon Company's collection. With its rarity as a promo card, collectors will appreciate this unique addition to their Pokemon TCG collection.