Our Copper Bangle 3/8" Celtic Weave Medium is made from Purest Refined Copper. Pure Copper Bracelets have been worn since Roman times in the belief that they are instrumental in affording relief to arthritic and rheumatic conditions. How it works: It is thought that the gentle magnetic flux polarises the blood as it flows past, enabling oxygen to be carried around the body and toxins removed more freely.Copper. Not magnetic but therapeutic. The skin is thought to absorb tiny particles of copper forming salts which replace deficiencies in affected joints. Regular use of any metal polish will enhance the natural lustre of Pure Copper. Frequently Asked Questions Is this bangle adjustable?Yes — it's an open-cuff design (Medium size) that can be gently squeezed narrower or eased wider to fit most wrist sizes. How do I check this will fit my wrist?Measure your wrist with a soft tape measure, or a piece of string held against a ruler, keeping it snug but not tight. This is our Medium fit, suited to most average adult wrists (roughly 6.5–7 inches). Set it to size once rather than repeatedly re-bending it, as this helps the copper keep its strength over time. Power Health is the health store you can count on. We’ve been in the business of manufacturing and supplying high-quality health food vitamins and supplements for over 40 years. As a family-run business, we understand that a healthy family equals a happy one.