DN1877W is a white Non-Child Resistant Certified dropper with a ribbed skirt, rubber bulb, and glass pipette with graduated markings. This dropper has a 77mm dropper and has a neck size of 18-400. This dropper fits on 1oz (30ml) Euro round bottles. This dropper is perfect for essential oils, e-liquids, pharmaceuticals, fragrances, and other liquids.