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 diamonds 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!Get the little ones ready for winter in their own unique long sleeve tee! Print on your own designs stay warm in the chill! Your designs will be printed using high performance digital printing technology to ensure vibrant and long-lasting results. Made with 90% Polyester, 10% Spandex Fully Customizable Standard Fit Machine Washable Attention: For all necklines, 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.