Colantotte Magnetic Necklace Crest R EX Limited Edition Gift Set with Original Colantotte Gift Wrapping (Premium Black, L)

---------------------------------------------------------------------- It is lightweight, compact, and features a top made of high-quality stainless steel that is rust-resistant. Size: S size: Approx. 43cm, length 430mm x width 9mm (maximum top width), weight 19g. M size: Approx. 47cm, length 470mm x width 9mm (maximum top width), weight 20g. L size: Approx. 51cm, length 510mm x width 9mm (maximum top width), weight 21g. Category/manufacturer: Medical device/Made in Japan Medical device certification number: 226AGBZX00054000 Quality and Material: Silicon, SUS316L stainless steel, 8 rare earth permanent magnets, 160mT millitesla (1600G), arranged in an alternating pattern Colantotte's magnetic necklace, Crest R, is now even lighter: Crest R ex. The power of the magnets improves blood circulation and relieves stiff shoulders and neck. What sets it apart from other magnetic products is that the magnets are arranged in Colantotte's unique alternating north and south pole configuration, which allows for an effect that is felt over an entire surface rather than just a single point. It can be used not only in everyday life but also in sports, making it a favorite among many athletes.