Exposure to loud music from concerts, jam sessions, and nightclubs can lead to permanent hearing loss. In fact, a single exposure to dangerous noise levels can cause irreversible hearing loss and debilitating conditions like tinnitus (ringing in the ears). Mack’s Acoustic Foam Earplugs help protect your hearing from potentially damaging noise levels, so you can fully enjoy loud events, while being safer and more comfortable. Mack’s Acoustic Foam Earplugs provide a noise reduction rating of 20 decibels, protecting your ears during concerts, jam sessions, nightclubs, and loud events. Mack’s travel case is included for on-the-go convenience. Easily stores one pair of Mack’s Earplugs. When you rock out, rock out with Mack’s Acoustic Foam Earplugs.USA’s #1 DOCTOR RECOMMENDED BRAND of foam earplugs to protect hearing or prevent hearing loss. Fully enjoy concerts and events while bringing dangerous noise down to safer, more comfortable levels. CONVENIENT TRAVEL CASE – Keeps your earplugs clean and ready-to-go. Great for concerts, jam sessions, festivals, nightclubs, shop work, loud events, loud office spaces, etc. EXTREME COMFORT – Made with super-low pressure, slow release, comfortable foam. Provides comfort, even for small ear canals. SOFTER, CLEARER ACOUSTICS – Innovative hollow-cut and grooved design provides clearer acoustics and allows for improved communication. INNOVATIVE, SAFE HEARING PROTECTION – With a Noise Reduction Rating (NRR) of 20 decibels, these ear plugs help reduce the potentially harmful effects of loud music and noise while allowing clearer sound over standard foam earplugs.