We offer glass eye droppers and plastic eye droppers. Glass eye droppers are available for 1 oz, 2 oz, and 4 oz glass bottles. The 10 ml glass eye dropper fits on the 10 ml essential oil bottle. Also our disposable plastic eye droppers are available in 2 sizes: 6" and 8 ¾". The disposable eye droppers can also be used multiple times. (Bottles not included with eye droppers listed on this page).