The product is a Mewtwo SM77 Holo Promo card from the Sun & Moon Promo set of the Pokémon TCG. It is a standard-sized card made of card stock with a holographic finish. Illustrated by Kouki Saitou, the card features the iconic character Mewtwo and is a basic stage Pokémon card. Manufactured by Nintendo in the USA, this English-language card is suitable for ages 6 and above and is a sought-after collectible among Pokémon TCG fans.