Block out the noise, protect your hearing from harmful sound levels at loud events or just apply these reusable and individually packaged in ergonomic plastic boxes ear plugs for sleeping. Best choice for DJ, inveterate hunter, construction worker, someone who works in a noisy environment or who wants to remain focused or sleep peacefully. It is easy to clean, which is an essential feature. Keeps your equipment clean to reduce the risk of infection, just using a wet cloth or wipes.