Ear Plugs for Sleep, Ergonomic Design 45dB Noise Reduction Earplugs for Side Sleepers,Light Sleep,Travel,Work,Concerts, Ultra Comfortable Reusable Silicone Ear Plugs, 8 Tips(XS/S/M/L) & Case Black

45dB Professional Grade Noise Reduction PerformanceThe ear buds use a multi-layer acoustic filtration system with high-density sound-absorbing materials, and the precision sealing structure can block 90% of the environmental noise and achieve the highest -45dB noise reduction depth. The streamlined contour design of the ear plugs for sleep fits the curve of the ear canal, effectively isolating high frequency/low frequency sound waves such as airplane engines and construction no