The product is a Pokémon TCG Mega Evolution (ALL HOLO) Singles Mint Choose Your Cards collection, featuring cards from the Mega Evolution set in standard size and English language. The cards are illustrated by Kouki Saitou and manufactured by The Pokémon Company, with a holo finish and basic stage for Pokémon type cards. This rare collection is part of the Pokémon 25th Anniversary event, making it a sought-after item for collectors of collectible card games.