Necklaces / Pendants by Jenny Llewellyn Add a pop of colour with this vibrant pendant. Mix and match the colour and length. This pendant is available in 3 different lengths: 16, 18 or 20" and also comes in other bright colours.Silicone pendant size is 20 x 20mm (Colours may vary slightly from the picture - colour description bright fluorescent yellow).Designed and handmade by Jenny Llewellyn. Features Primary Material : silicone and silver Length (inches) : 16, 18 and 20 One of a Kind : No Metal : sterling silver Hallmarked : No Cleaning InstructionsTaking care of your silicone jewellery• All silicone pieces glow in the dark • To see pieces glow, place under a bright or UV light then take to a dark room and see them glow!• The silicone is very flexible but should be handled gently, please take care not to pull silicone parts away from the silver• Do not spray any cosmetic products directly on to the jewelleryCleaning• For silicone parts: wet your hands and gently rub the silicone between fingers, (a little washing up liquid can also be used). Dry with a hair dryer. Once completely dry dab a little unperfumed talcum powder over the surface and rub off excess.• For Silver parts: Matt Finsh - use a green scourer and rub over silver parts to remove any stains/marks on the surface. Or brush a little toothpaste or pumice powder over silver parts and rinse off. For shiney finish, a silver cloth can be used • For gold plated pieces: Dust with a soft cloth or wash in warm soapy water, rinse and pat dry. Be extra careful with Gold Plated Jewellery not to scuff, keep separate from other jewellery which may scratch it. Keep protected in a jewellery box.Do not use any other silver cleaning chemicals as they can damage the silicone.An after care service is available if any of the silicone parts get damaged or you are unsure about cleaning.