This stainless steel filled PLA can be Polished to look like Polished metal! it is also 2X the Density of PLA for substantial feeling prints | Material is matte Gray with a cast metal look. Can be Polished with proper Tools to a semi-reflective finish | Processing is comparable to standard PLA. No heated bed required. Process may be less consistent on smaller nozzles (<. 4mm) and/or Bowden Type machines | We recommend printing this material at 190c-230c using a 4 mm or larger nozzle. Please Note that this filament is more brittle than normal PLA and requires more careful handling to prevent breaking | Designed and manufactured in the USA with quality and customer service as a top priorities. USA sourced packaging and labor