18/415 (7 mm x 48 mm) Glass Droppers, Black Bulb Glass Droppers w/ Tamper Evident Seal

Black bulb glass droppers include the added feature of tamper evident rings. The durable construction of these closures contains flexible rubber bulbs centered in ribbed tamper evident polypropylene caps, with straight tipped glass droppers for seamless droplet dispensing. Once affixed to the filled bottles, the first opening will detach the tamper evident rings, ensuring the product has not been tampered with.