Wearing Method: Pull Up The Upper Part Of The Ear Gently, Align The Earplug With The Ear Canal And Gently Rotate It To A Suitable Position To Ensure That The Air In The Ear Canal Does Not Communicate With The Atmosphere. Features: *Effectively Reduces Pressure On The Ear Canal, Suitable For A Variety Of Different Ear Canal Shapes Long Time Wearing Without Causing Ear Discomfort, Best Seal. *20Db-23Db: The Role Of This Silicone Earplugs Is To Effectively Filter Noises, Preserve The Clarity Of Musical Sound Quality, And Reduce Noise Damage To Hearing. With Aluminum Case, Easy To Store And Carry. *Excellent To Block Unwanted Noises While You Sleep Or Work. The Best Silicone Options That Sit Comfortably Affording To Hear The Alarm Early In The Morning Or Daily Communication With Your Colleagues. *Comfortable Fidelity Safe Sound Earplugs Are Perfect For Concerts, Bands, Bars, Construction Work, Motoring Or Social Situations Where Is Too Much Harmful Noise. *Non-Allergenic Waterproof: It Is Made From Safe Odorless Skin-Friendly Liquid Silicone Material, Washable And Can Be Used Repeatedly Without Deformation. Specifications: Product Name: Noise Canceling Ear Plugs Material: Liquid Silicone+Filter Snr(Signal Noise Ratio): 20Db-23Db Application: For Concerts, Bands, Drummer, Dj, Bars, Learning, Sleep, Work Color: Black, Red, Blue, Green, Silver, Purple, Orange, Transparent Optional Waterproof: Yes Earplug Size: 13.5*16*19.5Mm/0.53*0.63*0.77In Package Information: Package Size: Approx. 10.2 * 10.2 * 5.1Cm / 4 * 4 * 2In Package Weight: Approx. 35G / 1.2Oz Package List: 1* Pair Of Noise Canceling Ear Plugs 1* Aluminum Case