featuring an aurora borealis coloured crystal in the centre, this simple star design nose stud is made of sterling silver. the pretty cz crystal has a unique and subtle yet vibrant colour and is 2mm in size. The star itself is 4mm high x 4mm wide x 1mm deep and has a classic pin end post, so you simply put it into your nose and it will stay securely in place - no need for any fiddly backs or closures! it weighs 0.1g and has a gauge of 24.