1) 300gsm Chinese C2S, cheapest materails with amazing performance, perfect if you trying to find a balance between materials and costs.
2) 270gsm Chinese greycore/ bluecore, better than C2S, perfect for AD cards.
3) 310/330gsm German blackcore, best materials for cards all over the world, tenacity, S, deflection , A-. most expensive.
4) Plastic 0.3~0.32mm is available.
5) Also different materials for box & cards can be chosen for certain target prices.