Gabion cages fillers for any stones, generally form a circle or stone quarry just outputs. If the gravity function of structure are more important factors or structures need to be immersed in water or exposed to the flow of the water, with a specific gravity of the material is better, should be given priority. 

In order to determine the durability of the structures, they must be able to combat climate change, not combustible and not dissolve, but also very hard not easy to break.