Material of Floor Drainer: brass . Zinc alloy. Stainless. Specification: 3" *150mm. Some sizes such as 2" *120mm and 1.5" *100mm available. Your request is welcomed. Finished: brass chromed, satin plated, polished, ect. Inner packing: load it with a white box. Outer packing: 24pcs/CTN. 2" outer packing is same as 3". 1.5" can be loaded for 120pcs