1. Material: Aluminium, iron,stainless 2. size: 1.0mm, 1.2mm,1.5mm,2.9mm, 2.4mm, etc. 1)Material:iron,brass ,aluminum ,stainless steel are available2)Color:golden plated,nickel plated,spray paint color(like white,black,green,etc),bright,red,chrome,etc,we can make it according to customer's requirement.3)Shape:ring or link4)Size:2mm or 2.5mm,customized size is available5)Nice apperance and fasion ...