This necklace uses mountain jade and is easy to put on and take off. The total length is approximately 75cm, and you can adjust it freely. The cord is waxed cord, and the wire is surgical stainless steel. Free shipping is available for purchases of 3,000 yen or more. If you purchase multiple accessories and the total exceeds 3,000 yen, we will deduct the shipping cost. All of our metal fittings are made with metal allergy-friendly surgical stainless steel or nickel-free materials.