Bangles by Gill Forsbrook Green and turquoise bangle, polypropylene and silver. Inner diameter 63mm, inner circumference 203mm. Please note this bangle is fixed, it does not open. Please measure existing bangle carefully to ensure correct fit.Designed and handmade by Gill Forsbrook. Features Primary Material : polypropylene Other Materials : silver Inside Diameter (mm) : 63 One of a Kind : No Hallmarked : No Cleaning InstructionsClean plastic by gently wiping with a soft damp cloth or cotton wool, a little mild soap may be used. Silver can be gently cleaned with a Silver Polish Cloth, taking care not to mark the plastic. As with all jewellery avoid spraying with perfume and hairspray and do not immerse in water.