Bangles by Jessica Briggs This concave-shaped bangle has an inside diameter of 62 x 56 mm. It can be gently squeezed open or closed to fit your wrist. The outside is oxidised to give a black finish which contrasts beautifully with the rich gold patterning. The inside is matt clean silver. The textured surface is selectively burnished to catch the light. Features Primary Material : 23.5ct gold and silver Inside Diameter (mm) : 62 One of a Kind : No Metal : gold and silver Hallmarked : Yes Cleaning InstructionsStore wrapped in acid free tissue paper when not being worn to prevent discolouring. The silver inside only can be cleaned using a silver clean liquid.