SIZE: 17 in / 20 in WEIGHT: 76 gr / 2.7 oz CLOSURE: Mag-Lok Magnetic Clasps MATERIALS: Glass Beads, USA Maine wood, resin, chain and wire 24kts gold filled. Our jewelry is hand-creafted with the utmost care and a slight variation may exist between pieces. Our metallic parts are composed of 24kt gold plated bronze or Rhodium plated silver 925.