Noise cancelling earplugs - Effectively reduce noise by 25dB-30dB, providing quiet and natural sound quality, allowing you to isolate yourself from the noisy environment and enjoy yourself in the quiet world. Silicone earplugs - Silicone earplugs have a strong hearing protection function and can be worn in multiple scenes without discomfort or pain, allowing you to comfortably spend the whole day. Find your size - Noise cancelling earplugs come in 3 sizes of tips S/M/L, ergonomic design to make the world a quieter place for a quiet day. Multi-purpose scenarios - Multi-purpose earplugs for different occasions, allowing you to enjoy quiet moments, eliminate outside noise, focus on work and study, noise cancelling earplugs are suitable for travel, concerts or parties, motorcycles, etc. Protect your ears at all times. Easy to carry - you get earplugs without assembly, a plastic storage box, three sizes of tips, a pair of earplugs, step into a quiet world, and spend every minute of silence.