The product is a 2017 Pokemon Sun & Moon Shining Legends Secret #78 Mewtwo GX PSA 8 card. This card features the character Mewtwo GX and belongs to the Legenda specialty set. As a Secret card, it is a rare and sought-after collectible for Pokemon TCG enthusiasts. With a PSA 8 grade, this card is considered to be in good condition and highly valued by collectors for its unique features and limited availability.