Pinochle Playing Cards Jumbo Index - Bundle of 6 Decks Premium Bicycle PINOCHLE Jumbo Index Playing Cards. Six Decks. Three with Blue Backing. Three with Red Backing. Large, easy to read numbers. Pinochle is pronounced "PEE KNUCKLE". Pinochle Decks are a specialized deck of cards suitable for playing Pinochle. Quality, plastic coated, air-cushion finish decks of cards. Basic Game Rules printed on playing cards. Standard playing card size 3.5 x 2.5 inches. Please click on additional photos