Earrings by Sarah Packington Each pair of Construction 1 earrings is unique. Components are individually cut from tinted perspex, the edges sanded and dyed black to give a dark contrast edge. These earrings are 'solid' and do not bend in the middle, giving a strong architectural effect. Features Primary Material : acrylic Other Materials : silver Length (mm) : 40 Fitting Type : Hook Dimensions (mm) : 40 x 10 x 5 One of a Kind : No Hallmarked : No Wire Material : silver Cleaning InstructionsAll pierced ear wires and backs are sterling silver. To keep your jewellery looking its best, avoid bringing into contact with body lotion, hairspray and perfume etc. As with most dyes, prolonged exposure to sunlight can cause fading, but my pieces will retain their colour with normal wear. I recommend storing pieces in their boxes away from sunlight. Clean using a silver cleaning cloth such as Goddard's. Acrylic pieces can be cleaned with a damp soft cloth and a little detergent.