Features:1. Suitable for both young and old men and women. 2. It is also a fine gift for family and friends. Description:Item Type: Massage ToolColor: BlackSize: App 11*4cmMaterial: ObsidianWeight: App 52g Package Included:1 x Guasha Massage Tool Suitable site:1. The head: face、 eyes、 forehead、 hair growth;2. The body: back、 chest、 legs、 hands、 body. Main function:1. Face: improve skin yellow gas、 dull、 dull、 acne、 acne、 spots、 skin sagging. Dark circles、bags under the eyes.2. Body: Dredge meridians、 regulate qi and blood、 detoxification、 Runzao itching. Improvefatigue、 promote metabolism、 eliminate edema. Notes:1. The real color of the item may be slightly different from the pictures shown on      website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight deviation for the measurement data.