Each of these three styles of earplugs will help block out potentially damaging external noises. They are designed to be worn while in industrial arts centers, factories, or other loud areas.
“We could get by with the off-the-shelf brands for computer labs, but when kids really need to focus, we use the Califone headphones. We've noticed that they provide a higher sound quality and block out ambient noise better.” Mike Gillinger Director of IT Sierra School Chatsworth, CA
