You should clean the tunnels and plugs set with pads before you wear them. Stainless Steel ear plugs gauge: 8g(3mm),6g(4mm),4g(5mm), 2g(6mm), 0g(8mm), 00g(10mm),1/2″(12mm),9/16″(14mm),5/8″(16mm). COMFORTABLE:Our plugs are finely polished easy insertion and removal and harmless to skin.
