Dal Negro Grand slam are designed in 4 colors : red, blue, green and grey. Their size is 58x88mm and are 100% plastic.
They come as a single deck in a tuck box.
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.