Tarnish Resistant 304 Stainless Steel Links Connectors, Manual Polishing, Stamping Blank Tags, Square, Stainless Steel ColorSize: about 15mm wide, 15mm long, 1.8mm thick.âMirror Surface Effect: with sleeking and double sided manual polishing process, it looks more glossy, like a mirror which is no texture and the image is clear. âThickness: Sturdy and durable, more smoother and thicker. âPackaging: Individually packaged to prevent scratches.