These terra cotta disc diffusers are 2 1/8" diameter x 3/8" thick.
The design creates a depression in the clay for you to simply add several drops of essential oils. The terra cotta will absorb the oils and slowly diffuse them over several hours to days depending on the essential oil used.
Use where you need scenting in a bathroom, bedroom, garage or when traveling.
So many uses! These make wonderful gifts all year long.