Plastic Multicolour Playing Cards are made up of plastic is mostly transparent looking through just one, all together it gets a shiny silver look. You can wash them if they get dirty or play in water with them if you want, but drying them may take a while. Overall, 100% Plastic Multicolour Playing Cards are much more durable, harder to cheat with, have the ability to be cleaned, don't bend as easily, have a unique feel and are much easier to shuffle. These cards function and do their job well. Each card contains a black core layer centre to block light shining through.