Handmade earrings using sterling silver 925 (92.5% silver content) for all metal components. They are said to be less likely to cause metal allergies, and can be worn by those with allergies (however, it may not suit everyone depending on the individual). Used Terahertz: 10mm beads (mirror cut) 【What is Terahertz?】 Terahertz waves, which vibrate approximately 1 trillion times per second, have properties between radio waves and light. It is a wavelength that easily affects the movement of molecules, and it will allow you to experience amazing effects on the human body, plants, and even materials. Recent research has proven the effects of terahertz. Terahertz waves can penetrate various materials such as paper, wood, and plastic, and are expected to be applied in the medical field. In addition, terahertz waves overlap with far infrared rays and are said to have a self-heating effect. Specific effects on the human body include improved sleep disorders, stiffness, and coldness. Furthermore, it is said to activate the skin and have effects on beautiful skin. ・The attachment part is a fish hook earring. ・Since the main selling point is that all the metal parts are sterling silver 925, we cannot accept exchanges of the attachment part. ・These are handmade, so they are not perfect. Please purchase only if you understand this. ・The price and sale are for a set of 2, so we cannot sell a single earring. ・If you purchase other items I am selling together, we can discount the shipping cost for the duplicated amount, but we do not offer discounts on single items. ・I do not smoke, and I do not have any pets.