The 18mm black tamper evident closure is suitable for use on the 5ml, 10ml, 30ml, 50ml and 100ml  Amber Bottle.
 
A 0.7mm dropper insert is supplied with this closure, which fits automatically into the bottle as the closure is tightened. This closure is the required closure for storing and dispensing essential oils.
 
Closure dimensions: 
# Height = 20mm
# Width (external) = 22mm
# Width (internal) = 18mm
 
This closure is suitable for use with the following bottles and containers.
# 5ml amber glass bottle
# 10ml amber glass bottle
# 30ml amber glass
# 50ml amber glass
# 100ml amber glass bottle