Dropper Bottles are ideal for dispensing small amounts of liquid. Oval Amber Glass Dropper Bottles with attached plastic dropper assemblies feature a space saving design. Amber glass dropper bottles are ideal for storing light sensitive products. The dropper assemblies are 20-400 caps featuring black polypropylene closures, rubber bulbs, and plastic dropper tubes.Round Dropper Bottles are supplied with attached glass dropper assemblies. Choose clear glass for maximum visibility or amber glass for UV protection for light sensitive products. Glass dropper bottles available in sizes from 1oz (30ml) to 4oz(120ml).