Necklaces / Pendants by Lindsey Mann Pendant available in 2 different lengths: 16" or 18". Aluminium pendant size is 23 x 16mm. Colours may vary slightly from the picture .Designed and handmade by Lindsey Mann. Features Primary Material : anodised aluminium and silver Other Materials : dyed agate One of a Kind : Yes Metal : sterling silver Hallmarked : No Finish : brushed silver Length (inches) : 18 Cleaning InstructionsClean brushed silver using a soft cloth impregnated with silver polish. Polymer clay can be cleaned gently using a soft, damp cloth and a mild detergent.