20/400 graduated, .25 ML - 1 ML in black, with a clear glass pipette, This glass dropper has a polypropylene (PP) dropper and 7mm x 89mm glass pipette. The glass pipette and rubber bulb are great for dispensing essential oils, medicine, skincare and chemical products. Dropper assemblies are great for dyes, aromatherapy oils, food coloring and medications. Dropper assemblies are comprised of a bulb, cap and pipette. They can be paired with plastic or glass bottles.