Cufflinks by Carla Edwards Navy, turquoise and blue resin with oxidised silver fittings. Delicate engraved details add a unique finish to the surface of the resin. The pattern turns out a little different each time, so no two pieces are the same. Handmade in Carla's Edinburgh studio. Features Primary Material : resin Other Materials : oxidised silver Fitting Type : hinged bar Dimensions (mm) : 25x25x4 One of a Kind : No Hallmarked : No Cleaning InstructionsClean items gently with warm water and a soft, old toothbrush, a little washing up liquid can be used if needed.Avoid contact with perfume, hair products, abrasive cleaning products etc. To keep pieces in top condition I recommend that items are stored in the box and acid free tissue they arrive in. It is not recommended that pieces are kept next to other jewellery items or in direct sunlight.