Specifications:Made of corrosion-resistant glass, it can ensure the liquid be safely and perfectly protected from damaging UV rays and risk of rapid evaporation.It is suitable for storing liquids that are volatile or prone to reactions when exposed to light.Silicone suck tip and transparent glass dropper are designed to facilitate liquid absorption and not easy to leak.The bottom of the bottle has a non-slip design and the rounded corners of the bottle mouth are not easy to hurt your hands, which is convenient and durable.Item Name: Dropper BottleMaterial: GlassFeatures: Light-proof, Glass Container, Multiple SpecificationsDiameter of Bottle Mouth: 18mm/0.71" (Approx.)Size Chart:5ml: Bottle Height: 73mm/2.87", Product Size: 7.3cm x 2.2cm x 2.2cm/2.89" x 0.87" x 0.87" (Approx.)10ml: Bottle Height: 80mm/3.15", Product Size: 8cm x 2.5cm x 2.5cm/3.15" x 0.98" x 0.98" (Approx.)20ml: Bottle Height: 94mm/3.70", Product Size: 9.4cm x 2.9cm x 2.9cm/3.70" x 1.14" x 1.14" (Approx.)30ml: Bottle Height: 100mm/3.94", Product Size: 10cm x 3.3cm x 3.3cm/3.94" x 1.30" x 1.30" (Approx.)50ml: Bottle Height: 114mm/4.49", Product Size: 12cm x 3.9cm x 3.9cm/4.72" x 1.54" x 1.54" (Approx.)100ml: Bottle Height: 134mm/5.28", Product Size: 14cm x 4.5cm x 4.5cm/5.51" x 1.77" x 1.77" (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Dropper Bottle