3mtm e a rtm push ins earplug ex 01 021 revolutionise hearing protection with more advantages than many other foam earplugs no roll down is required a gentle push is all it takes for easy consistent insertion and the flexible stem improves hygiene features benefits earplugs are made from slow recovery foam patented e a r foam tip which is shaped and sized to mould comfortably thus providing effective seal no roll down required excellent protection from press room noise