Our Mood Recycled Two Tone Textured Layered Chain Necklace - Pack of 3 is a must-have in your jewellery box this season. Embellished with glowing crystal stones, this piece is the perfect accessory to complete any look, day or night. Fastening: Lobster Clasp Fastening. Chain Length: 16" / 18" / 20". Extender Length: 3.5". Width Dimension: 3mm / 4mm / 6mm.