It is crucial to maintain moisture levels around your bonsai tree between waterings. These humidity trays help accomplish that. Simply spread the decorative rocks [NOT included] into the tray, add water, and place your bonsai on top. As the water evaporates, the humidity around your bonsai will increase.
Dimensions: 10 3/8" x 7 5/8" x 7/8"
Materials: Heavy Black Clay
Model Number: SPT10