Dal Negro San Siro are designed in 2 colors : red and blue.Their size is 63x88mm and are made of triplex cardboard.
They come as a single deck in a tuck box or double deck package in plastic casing.
The blue cards are usually marked just with a big font and suit in the middle (red marks).
The red cards are marked with big letter or number in the middle, or with small fonts in the corners (dark marks).
Each deck contains 55 cards.