Colantotte Crest Necklace Premium 51cm Premium Wrapping Bag Message Card (L Approx. / Black) [Gift & Included]

---------------------------------------------------------------------- [Medical device certification number] 226AGBZX00054000 [Material] [Body] Silicon [Joint] Stainless steel (SUS316L) [Material] [Body] Silicon [Joint] Stainless steel (SUS316L) [Size] S: Approx. 43cm, M: Approx. 47cm, L: Approx. 51cm *Bonus: Message card & gift wrapping bag (*Customers are responsible for wrapping) The ever-popular Crest series now comes in beautifully shining Premium Gold and chic, lustrous Premium Black. [Features] ■While maintaining the light and flexible fit of the Crest, the quality has been further improved, adding color to any sporting or casual scene. The silicone loop contains eight 160mT (1600G) rare earth permanent magnets that fit snugly around the neck. The unique alternating north-south pole arrangement allows the magnetic force to affect a wide area, improving blood circulation in the neck and shoulders and relieving muscle stiffness. ■The top joint is made of durable, rust-resistant, high-quality stainless steel SUS316L. The joint is magnetic, making it very easy to attach and detach. ■The silicone is waterproof, so you can wear it safely even when playing sports. It comes in three sizes and can be used by both men and women. *Loop color is black only 【specification】 Sizes: S 43cm, M 47cm, L 51cm ・Weight: S approx. 20g, M approx. 21g, L approx. 22g Materials: Silicon, SUS316L, eight rare earth permanent magnets of 160mT (1600G) arranged alternately with north and south poles ・Medical device certification number: 226AGBZX00054000 Regarding size exchanges We cannot accept exchanges or returns due to size differences, so we recommend checking in advance.