About this item 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. The plastic jar is safety-sealed and features a convenient flip-open top for easy dispensing › See more product details