The Pokémon TCG Pokemon Go Elite Trainer Box (ETB) is a sealed box containing collectible cards from the Pokémon GO set. This special edition features Mewtwo as the character and includes booster packs for players aged 6 and up. The box is manufactured in 2022 and is authenticated by Beckett Authentication Services (BAS). With standard-sized cards made of card stock, this Elite Trainer Box is a must-have for Pokémon TCG enthusiasts looking to enhance their collection and compete in Pokémon League events.