Kaos Blue Silicone Hollow Plugs offer a unique look and feel. Made from implant grade silicone and crafted in the USA, these plugs are designed to be gentle and comfortable on your ear - the 10mm wearable surface is soft and squishy for a secure fit. The hollow back also helps ensure that the plugs stay in place. Clean with mild, non scented antibacterial soap and water. Not for ear stretching. Available in sizes 6G (4mm) up to 1 inch (25mm) in pairs (2pc).