THIS LISTING:  Stock Silver - 100 Tiny Label Stickers.

Each label measures .33" by .675" (8.38mm x 17mm).  These are stock, off the shelf - no customization available.  

These are 2 mil metalized silver polyester labels.  They come on a 3" diameter cardboard core on a silicone coated paper liner.

You can write on them with a permanent marker.