We do not offer any polished or mirror finish metals at this time. Mirror-finish acrylic is available, as well as a variety of plastics and composites with a gloss finish.
If you need polishing on your parts, you will need to perform that process yourself after you receive them from us. If you are just looking to polish fingerprints or markings off your parts, we recommend Mothers Mag Polish for aluminum and brass, or Bar Keepers Friend for stainless steel.
If you have any other questions about our materials or finishes, reach out to us at firstname.lastname@example.org.