The Ahead Custom Molded Earplugs are an quick, highly-effective and affordable way for musicians to obtain a custom set of earplugs. Non-toxic, hypo-allergenic and EPA-approved, these soft silicone earplugs mix in 30 seconds, mold to your ear in 10 minutes and set in 3 hours. Offering a stellar Noise Reduction Rating (NRR) in the 25-30 dB range, these plugs are the perfect solution for fast and lasting hearing protection.