... : Aluminum Alloy 6063-T5. 3. Dimension: Any designing, you offer to us,we will do it as possible. 4. Optional Surface ... , polish,powder coating,gernal anodizing,electrophoresis . It's mainly up to your preference and requirement. 5. About the optional color: Matt ... try our best to do it. while our products meet your needing, please feel free to contact us. aluminum ceramic tile trim/flooring ...