Noise reduction earplugs Earplugs that can effectively reduce the noise to NRR 33 dB, Which can ensure that your hearing is not disturbed by loud noises. Please note: Earplugs can only block harmful noises to protect your hearing, But cannot suppress all sounds to 0 dB.Comfortable experience : patented Jellyfish Bionic design, the soft eartips of the earplugs conform to your ears' shape for a comfortable and snug fit; ear protection, these sleeping earplugs prevent secretions such as ear canal from being pushed deep into the ear, no pressure, no itch, no pain.All-night comfort : The easy-to-use Shark fin Anti-dropping design effectively improves the sealing ability and comfort, And has extremely high water resistance. Very suitable for sleeping, swimming, studying, shooting, traveling by plane, loud events, concerts, musicians, motorcycles, etc.Safety material : Safe and reusable, Made of organic silicon imported from Japan, Easy to clean, Skin-friendly, BPA-free, Durable, Washable, Soft and Malleable.2 individual packages : Silicone ear plugs comes with 2 pairs, small size and large size, great suit for men, women, and teens above 12 years old.