EAR PLUGS IDEAL FOR: STUDYING, MEDITATION, SLEEP, NOISE REDUCTION, CONCENTRATION,FOCUS,ETC Ideal UsageStop water from entering your ears and the problems that can arise from it by plugging your ears with these training aids. You can also use them to block out noise when you are trying to concentrate on your work or studies Stop water from entering your ears and the problems that can arise from it by plugging your ears with these training aids. You can also use them to block out noise when you are trying to concentrate on your work or studies.