Metal detectable disposable and reusable ear plugs,for the food industry
1,Both earplug and cord and detectable and smart, I can show you
2,They is a metal ball inside of earplug, which make the earplug more confortable and usaging melt belt.
3, the cord we are the only factory in china ,make the pvc cord , so the price is competite.
4, Used in food industry, and no food in blue color.
5, 500 box, a metal detector for free.