LIMEX is a Japanese new material made mainly from limestone that can be alternatives to paper and plastic products. Normally, a lot of water and wood pulp are used when making paper products. The feature of LIMEX is that it can be made without using water nor wood pulp. A box of LIMEX paper business cards will save 10 liters of water. LIMEX business cards are highly cost-competitive, water resistant and durable, and we don't get paper cut from them.A scale designed on the box is for users to recognize their contribution to water resources.