The common specification (width*thickness) is : 16#（2.15*0.75mm） 17#(2.0*0.7mm) 18#(1.81*0.71mm) 20#(1.35*0.65mm) 22#(1.15*0.55mm) and special specification ca be produced by your requirements. The packing is 2.5KG per roll,and 10rolls in a carton.Plating process of environmental protection, in line with the ROHS standard, coating reached 25 grams / m2 and then deal with surface mirror . We have a lot of size in stock, specification complete, a number of dedicated vehicles to ensure timely delivery, special specifications can be customized to kind, professional after-sales service to ensure that you use it secuely.