This is a glasses cord made with beautiful, sparkling 3mm multifaceted cut Terahertz stones and white glass beads, making it easy to put on and take off your glasses. It's a great item for people who frequently need to put on and take off their glasses to correct their near vision, such as for work. In addition, the Terahertz stones are designed to rest on the neck, and the cord is made with white glass beads and black pearls, allowing you to benefit from the effects of Terahertz. Terahertz waves are said to act on human cells, regulating their rhythm and improving blood flow. They are also expected to have various effects, such as improving immunity, relieving cold sensitivity, improving skin problems, promoting beautiful skin, and relieving stress. A Terahertz bracelet is also available. The size is 15-16cm, suitable for those with slender wrists. Size adjustments are possible, so please send a message if you wish. This will be newly created. ^_^ Shipped via Mercari delivery service.