Good size for work on anyone as you can work all areas easily. Size approximate 3x2.5" s, very comfortable to hold. "Earth" element.
These are made for China's doctors, and are made in the traditional style that includes minor imperfections on the jade. Not damage, just part of Chinese medicine culture. The story is included in the information sheet when you purchase two or more gua sha tools. Each is slightly different.
Genuine and natural Chinese jade, the color may be slightly different as they are carved from the stone. You can see the variation of color in the photo.
Clearance price because they are not as "perfect" as Ying Yu Jade best quality. Most of the imperfections are part of the natural jade stone, there might be a scratch or or other imperfection that does not affect the use.