Make your products safe and acceptable for retail distribution. Our shrink bands are perforated for consumer-friendly opening. Fits standard caps, polyseal caps and droppers. Bands do not work on Sprayers or Plastic Bottles. Packed in convenient bundles of 250 each. Easy to install- Slip a clear band over the cap. Apply heat with a hairdryer or heatgun. The bands will shrink to fit in seconds. Fits all 1/2, 1, 2oz Bstn Rnds w/ Std Cap or Dropper