The product is a PSA 8 graded Magikarp & Wailord Gx #SM166 card from the 2019 Pokemon SM Black Star Promo set. This collectible card game item is part of the Pokémon TCG series and features the speciality of being a GX card. The card is highly sought after by collectors due to its rarity as a Black Star Promo and its unique combination of characters - Magikarp & Wailord. It is a valuable addition to any Pokémon card collection, especially for fans of GX cards and the Black Star Promo series.