SMALL EAR PLUGS - Designed about 20% smaller than Mack's standard-sized foam earplugs to provide ultimate comfort for small or sensitive ear canals. Softer, smaller, silky smooth and contoured | | HEARING PROTECTION - With a high Noise Reduction Rating (NRR) of 30 decibels and a Single Number Rating (SNR) of 33 decibels , these noise blocking earplugs are great for sleeping, snoring, studying, power tools, shooting sports, travel, loud events, etc | | ULTIMATE COMFORT - Molded with super low-pressure, skinned and tapered, slow release foam, providing unmatched user comfort and hygiene. Unique hollow and flared design maximizes comfort, especially for a side sleeper. | | #1 BRAND FOR SNORING, SLEEPING AND TO PROTECT HEARING - Macks is the #1 doctor recommended brand of foam earplugs to protect hearing and to get a good nights sleep when sleeping with a snoring spouse | | SATISFACTION - Trust Macks, the brand that doctors trust, since 1962. The plastic jar is sa.