The metal fittings and parts are stainless steel, which is suitable for those with metal allergies (*´-`) It has an adjuster and is 40cm to 45cm long. The thread is made with two strands. ★ Each item is handmade, and some parts are made overseas, so there may be variations between the left and right sides, air bubbles, wrinkles, small scratches, and burrs. ★ While we make our products to be metal allergy-friendly, it does not guarantee that allergies will not occur. If you experience an allergic reaction, please discontinue use. We are not responsible for any reactions that may occur. #cute #flower #simple #adult #beadaccessories #handmadenecklace #handmade