Pokemon Mewtwo 2" Album - Rules of Play says:
Keep your valuable cards safe and organized with Ultra PRO's 3-ring collection album, for use with 3-ring punched storage pages. Made in California, USA, and featuring the iconic Mewtwo design from Pokémon Trading Card Game, these albums are ideal for sorting, organizing and storing a large amount of trading cards in Ultra PRO card storage pages. The embedment-style cover is printed in full, vibrant colors.