Hello and welcome to our store. We hope our service can satisfy you and wish you have a pleasant shopping experience! Joom: The information about the product is provided by the seller. Notwithstanding any of this information, the product is not intended for diagnosis, cure, mitigation, treatment or prevention of any disease, is not a drug or a medical device, and should not be used for any medical purposes. Please consult a medical specialist. Features: 1. Unique magnetic therapy, penetrating into skin and stimulate acupuncture point 2. Promote blood circulation, prevent arthropathy 3. Balance the endocrine system, increase microcirculation 4. Reduce swelling and pain of inflammation 5. Promote cell metabolism, accelerate the harmful material discharge 6. Elastic, adjustable, protect the wrist to avoid injury Description: Item Type: Tourmaline Wrist Strap Size: One size fit most (40cm*7cm) Suitable: Office worker, students, teacher, doctor, driver, arthritis, hyperostosis, etc Package Included: 1 X piece ourmaline Wrist Strap Notes: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight deviation for the measurement data. Style NO: R0122 Label: Yes Washing Care: Hand wash cold, Iron at normal temperature <150C, Dry clean, Line dry in the Shade, Do not bleach shipping time(enter without " ", just the estimated days ): 15-45