LorAnn Oils 4 oz Threaded Droppers,Clear,4 pack Dropper makes it easy to measure out the correct amount of flavor or oil to put into your candy or essential oils mixtures Designed to fit glass bottles only The eyedropper is incorporated into a threaded cap which can be screwed onto the top of the bottle See the product description below for a list of LorAnn 4oz products that are packaged in glass bottles and will work with these droppers