Essential Oil Glass Dropper Bottle: 1) Color: Amber, Transparent, Green, Cobalt Blue, Black. 2) Capacity: 5ml, 10ml, 15ml, 20ml, 30ml, 50ml, 100ml. 3) Mouth: DIN18 Standard Screw Thread. 4) Caps: Euro Dropper Cap, Tamper-evident Plastic Cap, Child Resistant Cap, Push Turn Cap, Glass Dropper Pipette, Mist Sprayer Pump, Oral Sprayer, Nasal Sprayer, Aluminum Cap. 5) Application: For packaging Essential Oil, Herbal Extracts, etc.