Bluedio Sleeping Safety Supplies Soft - Silicone Ear Plugs -40dB Noise reduction
Up to -40dB: Noise-canceling degree more help in your daily life
Sleeping: Isolate all noises, no matter the distance
Working: Wearing these earplugs, you will gain back a quiet world and peaceful heart. More focus and efficiency in working, more carefree in life!
Outgoing: Noises are very heavy in public transports like airplane and subway. Wearing these earplugs to build a noise barrier for yourself and help you save more energy in your trip.