Glass stoppers are for decoration purposes only and are not designed to prevent spillage of contents during transit. The Glass stopper describes the glass ball, the stopper itself is plastic - the part that is inserted into the neck of the bottle being used.
The stopper needs to be inserted and removed several times into the reed glass to create a vacuum.
Dimensions: Diameter of seal: 22mm Length of seal: 17mm Diameter of bobble: 25mm Height: 46mm
This will fit all of our Reed Diffuser bottles with exception of the -