Standard playing cards in a mini size. The deck of cards are boxed and measure 2Â 1/2" x 1Â 1/2.” These Sleek, Lightweight & Compact Playing Cards are perfect for Backpacking. An essential piece of survival gear. If you get Lost, sit back and play Solitaire. Before you know that someone will be behind you, tell you how to play. Request that a person for directions.