Five playing cards forming the poker straight flush hand. Green background. A straight flush is a hand that contains five cards in sequence, all of the same suit. This is the spades suit straight flush. In five card poker, there are 40 possible straight flushes, including 4 royal flushes. The probability of this hand is almost improbable and equals about 0.0015%. The probability of straight flush is also expressed as odds: 75, 000 to 1. Good luck to you!Don’t miss the chance to design a one-in-a-million sweatshirt for your energetic little ones. This sweatshirt will keep them warm and comfortable in everyday activities under the chilly weather. Remember to have fun with your kids while creating their dream sweatshirts together! Happy designing and wearing! Made from 100% Polyester Standard Fit Fully customizable Machine wash Designs imprinted using an advance heat sublimation technique Attention: For all ringers, waistbands, handcuffs and drawstrings, please use either plain colors or patterns only and NOT text messages. Due to bleeding and fabric stretch, the previewed image is only an approximated display of the final product.