BE-QUIET Foldable Silicone Earplugs – 3 Pairs

They block out a fair amount of noise, with a noise reduction rating of 22-23 dB, making them a good alternative for moderately noisy environments, such as travel. On the other hand, foam earplugs, when properly inserted, have a noise reduction rating of 28-33 dB, with some brands reaching up to 44 dB.