LONGWIN Multicolor 40mm (1.6 inch) Crystal Solid Ball Glass Sphere Healing Stone Pack of 8 Material:K9 crystal Natural colored and without impurity. Diameter of unit crystal ball: 40mm(1.6") Package contents:8 colors crystal ball and packed in a pink gift box Can be used as photography tool,magic ball,healing ball,fortune telling toy also great for home and office decoration ornaments