Thank you for viewing. Size: Approximately 70 x 46mm Weight: 48.2g (including the bag) This is a Terahertz stone Gua Sha tool, with a hole. ❇For those new to my shop❇ Please read the profile before purchasing. ❇Meaning and Effects❇ Terahertz waves are electromagnetic waves in the far-infrared region, and are expected to have a wide range of effects on improving health conditions, such as cell activation, promotion of metabolism, tissue repair and regeneration, improved immunity, improved blood circulation, improvement of cold sensitivity and swelling, fatigue recovery, and improvement of skin luster and firmness. Genuine Terahertz stones have a high density and feel heavy in your hand. ※Regarding the effects of power stones, there are individual differences, and we do not guarantee the effects described. #TsukinohaTerahertz #TerahertzWave #ArtificialMineral