The 420 Science UV Dropper, with Medical Leaf design, is perfect for storing and administering your THC tinctures. The UV glass protects the contents from degradation due to sunlight and its long pipette allows even the very last drop to be accessed. These droppers are available in four sizes.The bottles are made from injection-moulded European glass and feature an airtight lid.Sizes:X-Small: 7.9 cm. x 2.2 cm. Capacity 5 ml.Small: 9.5 cm. x 2.4 cm. Capacity 10 ml.Medium: 10.2 cm. x 3.5 cm. Capacity 30 ml.Large: 13.3 cm. x 3.8 cm. Capacity 50 ml.Lifetime Warranty on the bottles.