They are regular trading card size. They each are inside a sealed plastic holder like you would do when you laminate a credit card or something. The artwork is like Pokemon, Sailro Moon, Ghost In A Shell type art.

I'm not sure in other countries, but here in ours they are just regular photos that are laminated. They ate sold here in varying sizes.

These are Rami cards. They are quite common in Japan. A lot of bootleg cards of those exists. If the back are blank with nothing at all, beware. Hope that helps.

Yes thank you it helps. The tricky thing is knowing who the cartoon characters are. But they are all blank white backs with Fujifilm written on them.