Professional Noise-reducing Earplugs, Sleep Comfortably, And Sleep Soundly.shaped Earplugs. Shaped Earplugs Can Adapt To The Different Ear Canals Of Everyone, To Achieve A Good Fit, So That Your Sense Of Use Is Not Compromised. In Order To Have A Better Sound Insulation Effect, Please Clean The Ear Canal With A Cotton Swab Or Napkin First, And Then Take Out The Shaped Earplugs, Divide Them Into Two And Squeeze The Earplugs Into Strips, Press The Earplugs With Your Index Finger, And Insert Them Into The Ear Canal To Fill It. The Shaping Is Complete, So You Can Start To Shield The Noise.not Only Is It Suitable For Different Ear Canals, But Compared To Sponge Earplugs, The Shaping Earplugs Are More Compliant, And They Will Not Feel Swollen And Painful After Wearing Them For A Long Time, And They Are Still Very Comfortable. In Addition, The Ears Can Not Be Used For Sleeping, And The Sound Insulation Effect Is Good.designed For Comfort, A Large Number Of 3d Scans Of Geometric Structures Are Performed, And A Small Pea-sized Earplug Is Made Based On This Data, Which Is Flexible And Comfortable And Fits The Shape Of The Upper Profile Of The Ear. It Is Suitable For Use In The Library, Sleep, And Some Noisy Scenes.