You are buying 2 new sealed decks of Canasta playing cards with Red Backs. This is for 2 single deck (takes two decks to play). Cards are 3.5" x 2.5" regular index and came be used for any 52 card game. The unique thing about these cards is that they have the Canasta Point Values printed on the cards below the pips. They come with directions and different rules for variations of play.