A band of PVC plastic that fits around the cap and neck, or sometimes the whole bottle or jar, which must be torn and removed to open the container. Once the band has been removed it is not possible to reapply the used band. Our stock shrink bands are .05 mm thick with a vertical perforation for easy removal. Will fit our 1/2 oz, 1 oz ,2 oz  & 4 oz Boston Round with Child Resistant Caps & Droppers.

Will Fit

18-400

18-410 

20-400

20-410 

22-400

22-410