We stand behind our product, high quality material: hand crafted with certified natural xiuyan jade stone, which contains beneficial minerals to skin beauty and health. We will replace gua sha for free if product break due to crafting defectiveness Ancient Chinese technique, natural, alternative therapy, scraping your skin to promote better circulation. This gua sha board was designed to break up stagnant energy, called chi, reduce inflammation, and promote beauty and healing. Relaxing & tension relief: apply serum or oil on the skin, apply a light to medium pressure, scrape with an upward and outward direction on both body and face. Helps with migraine headaches and chronic pain. Feels refreshing and rejuvenated. Detoxifying & natural face lift: put in the fridge to chill, this scraping tool can be applied on neck, arm, leg, back to help with chronic body pain and to help to reduce inflammation. Healing stone for lung, liver, sinuses and heart. Dimension: 3.4 inch in length, 2.2 inch in width, 0.2 inch in thickness. The tool shaped with a groove that is easy to hold in the palm of your hand. Product description1. MINDFUL AWARENESS -- GuaSha circulates life energy, known as "Chi", in our body. The slow pace of movement and gentle touch on the skin are deeply relaxing, instantly decreasing stress and anxiety. 2. TENSION RELIEF -- Daily physical activities imprint so much tension in our face and our neck, where knotted areas are formed. Deep pressure under a Gua Sha stone unravels the sticky knotted areas by releasing muscular tension. You will prevent and fade light expression lines by relaxing your facial muscles.3. DETOXIFICATION -- GuaSha clears blockages in the meridian network, which carries communications between our organs and transport the life force of Chi. Malfunction of an organ can block the network and vice versa. Gua Sha helps clear the blockages, and it promotes the well-being of your body in a holistic manner. 4. LIFE TIME WARRANTY --  We stand behind our product 100%. We accept return with no questions asked. We will also replace your gua sha for free if it breaks due to crafting defectiveness. We will also refund you if our product is not real jade. We highly believe in our product quality and stand behind it!5. GLOWING SKIN -- GuaSha enhances circulation and benefits lymphatic function, which leads to a naturally dewy, glowing complexion.  When it flows, it glows. The gentle scraping by the Gua Sha stone across the skin avails the penetration of serum/moisturizer product. Features❤️Brand: STARR❤️Color: Varies as this is natural jade, green shade with white cloud spots❤️Size: 2.95 * 1.8 *0.2 inch (L*H*W)❤️V shaped easy to hold❤️Certified natural Xiuyan jade with natural minerals beneficial for skinPackage Including1* Certified Natural Xiuyan Jade Gua Sha Scraping Massage tool +1* Authentication Certificate+1*Instruction Manual