This Salt Tealight Holder is made of Himalayan Natural Rock Salt. When a salt crystal is heated slightly, it generates negative ions.
 
Some benefits of the Himalayan Tealight Holder are:
Provide relief from hay fever, asthma, allergies and sinuses related illnesses.
Reduce stress and depression
Increase mental alertness and concentration
Enhance immune system
Purify air
Create a calm and relaxing environment.