This is a pendant made with handmade glass beads, created by melting glass at 1400 degrees Celsius using a tabletop burner. It's designed to be worn over the head, using only a cord, without any metal parts. #nonohana's glass bead long cord pendant collection The pendant features a combination of red glass, known as "gold red," and yellow glass in a marbled pattern. The necklace's circumference is approximately 64 centimeters, and the glass bead has a diameter of about 1.6 centimeters. High-quality, domestically produced crystal glass is used for the glass material. Because the glass is glossy and translucent, the color may appear slightly different in the photos compared to the actual product. Please understand this before making a purchase.