[ULTRA COMFORTABLE - Made with super low-pressure slow release Comfy Cush Comfort Foam. Their user preferred color is as easy on your eyes as they are on your ears. ULTRA NOISE BLOCKERS – With a Noise Reduction Rating (NRR) of 33 decibels these versatile noise blocking earplugs are great for sleeping studying work travel concerts relaxation motorcycling loud events etc. #1 BRAND FOR SNORING SLEEPING AND TO PROTECT HEARING - Mack’s is the #1 doctor recommended brand of foam earplugs to protect hearing and to get a good night’s sleep when sleeping with a snoring spouse. #1 BRAND USED BY DOCTORS - Mack’s is the #1 brand of foam earplugs personally used by doctors. Trust the brand that doctors trust. MADE IN THE USA – Proudly made in the USA with safe high performance noise reducing foam. Satisfaction guaranteed. Easy convenient resealable bag keeps ear plugs clean and safe.]