These Magnetic Hematite Beads 4mm Round - Metallic Blue Iris are plated using a process called IPG, where precious metals are used in a vacuum to bond to the magnetic hematite surface at the atom level, creating an incredibly tough, long wearing finish! Approximately 100 beads per strand. Beautiful Metallic finish with a hole diameter of approximately 1.2 millimeters. Not for children under 14 years of age. (Swallowing hazard). Magnet Safety Information
