I purchased this from Amazon before and used it once or twice, but I have several other gua sha tools, so I'm selling this one. The attached photos are of the newer model of the same product. The product for sale is the older model, as shown in the second photo. It's silver and feels cool and pleasant! I will ship it via Letter Pack. Face roller that achieves a lifting effect with terahertz waves. - Model Name: Surari Face & Body Gua Sha - Function: Terahertz waves that vibrate approximately 1 trillion times per second - Effects: Slimmer face line, lifting effect - Media Coverage: Featured in Poco'ce magazine - Type: Bar type Thank you for looking.