Sleep Like a Dream! 😴 Safety-sealed jar with easy flip-open top. #1 doctor-recommended brand since 1962. Designed 20% smaller for sensitive ears. Molded with low-pressure foam for all-night wear. 30dB NRR for peaceful sleep and focus. 33dB SNR 30dB NRR Ultimate Comfort Mack's Dreamgirl Soft Foam Earplugs offer a high Noise Reduction Rating of 30dB and a Single Number Rating of 33dB, specifically designed for smaller ear canals. With unmatched comfort and a trusted brand reputation, these earplugs are perfect for sleeping, studying, and enjoying loud events without disturbance.