These little glass diffusers are perfection ! 
Holds 8 ml of the fragrance of your choice.  Last up to 6 to 8 weeks.
 
How to use: 
  *Remove the wooden lid, take out the plastic stopper, and screw the            wooden lid back on tight.
   * Rotate to wet the wood.
 
Warning:   
 Avoid over-saturating the wooden lid and be sure to keep the plastic stopper in place to prevent spillage. Failure to follow these instructions could result in damage to some surfaces. Wipe all spills immediately and keep out of reach of children and pets.