"Basically when they get too dirty to use, you have to change them out," says Kalush. This could include the edges getting too dark or spotting on the cards that make it hard to see the number or suit. These cards are a bit thinner than their competitors, but not so much as to cause a problem. They are not 8220;slippery8221; at all and the top cards do not slide off when you set them down. This is one of the most noticeable traits of any good deck of playing cards. KEM cards are also are known to have legendary durability. There8217;s a reason casinos use these cards, they last a long time! You would likely go through 10 or more decks of Bicycle cards before wearing these out. Download and print out our poker hands ranking chart, or save it to your phone. Keep this poker cheat sheet nearby when playing so that you always know the ranking of hands from trademark chip poker set best to worst.