You are buying 2 Pieces (One Pair) of 5/8 Inch (16.0mm) Blue Acrylic Earlet Tunnels Ear Plugs. These ear plugs also comes with Double Black O-rings to hold it in place. They have grooves so you won't lose the O-rings which come for best fit on your ears. Another great advantage of Acrylic is only half as heavy as Glass or Horn. The wearable size measured at the centre is 5/8 Inch (16.0mm). All body jewellery is 100% grarateed for craftsmanship and quality. You will receive pieces exactly as shown in the picture. We have hand-checked by every item that they make you look very attractive and never ever fall apart to embarrass you. TAKE ADVANTAGE OF BUYING AND GET THESE NOW WHILE THEY LAST!!