Earrings by Jenny Llewellyn All Silicone parts glow in the dark. To see pieces glow in the dark place under bright or UV light, then take to a dark room and see them glow like creatures of the deep sea! Features Primary Material : silicone Other Materials : silver Fitting Type : Post Dimensions (mm) : 15x15x10 One of a Kind : No Metal : sterling silver Hallmarked : No Wire Material : silver Finish : polished Cleaning Instructions The Silicone is very flexible but should be handled gently, please take care not to pull silicone parts away from the silver Silicone parts - damp fingers in soapy water (washing up liquid can be used) and gently rub silicone between fingers. Dry with a hairdryer (If a towel is used silicone may pick up fluff from the towel) Once completely dry a little unperfumed talcum powder can be dabbed over the surface then rub off excess. Silver parts: Matt finish - use a green scourer and rub over silicone parts to remove any stains/marks on surface. Shiney finish - a silver cloth can be used Do not use any other silver cleaning products as the chemicals can damage the silicone An after care service is available if any of the silicone parts get damaged or you are unsure about cleaning.