18 mm Black Roll On Insert with Black Cap for Essential Oil Bottles

Transform any of our Essential Oil Bottles into Roll On Bottles with our Roll on Insert for Essential Oil Bottles. This rollerball insert will allow you to change any of our Amber and Blue 5 - 100ml Glass Essential Oil Bottles into Rollerball Bottles, making them perfect for easily applying your favourite aromatherapy based products. 

The Rollerball Installer and Removal Tool (sold separately) is required to easily install and remove the Roll On Insert and avoid possible damage to the ball housing, which can cause leaking.