Thank you for viewing. We plan and sell health-related products, mainly those that warm the body. Please feel free to contact us for usage instructions, questions, and after-sales support. ※ Includes Letter Pack Plus shipping fee. (Trackable, express delivery, hand-delivered) Features: This product incorporates three high-power, high-performance plates and 35 pieces of 99.9999% pure terahertz cubes in a commercially available net. It was created in response to requests for the ultimate product that can be placed under a pillow or mat, or applied to areas of concern, when resting. Contents: ・3 high-power, high-performance plates These are 4cm square resin plates. They generate a very high level of negative ions and far-infrared rays, and are expected to be effective for improving physical condition. There is a hole in the center, allowing for a variety of uses, such as hanging it around the neck with a strap or activating water. ・35 terahertz cubes Terahertz cubes are made from 99.9999% pure terahertz ore, cut into 1.5cm squares. Terahertz is a silicon-based artificial ore that generates terahertz waves and far-infrared rays, and also has excellent thermal conductivity. ※ Individual results may vary, and we do not guarantee specific effects. Thank you for your understanding. ※ The high-performance plates may have fine scratches on the surface due to storage and handling. ※ Terahertz ore is very delicate and fragile. There may be dents and scratches as shown in the photos. Please handle with care, as it may break if dropped or bumped. Size: 13.0cm x 9.0cm ※ Approximate dimensions. ※ Not waterproof.