Easy to use: slip the earplug into the finger and tighten it as much as possible; Lift the top edge of the headset with one hand around the back of the head to straighten the headset; Then slowly insert the thin earplug into the ear canal; Lightly press the end of the earplug with your finger for approximately 20 - 40 seconds, then release your finger while the earplug is inflated and adjusted Safety materials: the earplugs Flexible floating ears are made of soft silicone, water resistant, reusable and comfortable, which can't hurt the ears; You can use them for a long time until you don't like them anymore; These silicone earplugs prevent water from entering the ear canal and protect the ear from bacterial attack Warm tips: the deeper the connection, the greater the sound insulation effect is good, but the lower the comfort; Adjust the depth of the earplug, find the right position, achieve the effect and comfort; If the ear canal is painful, do not wear it too deep until it is comfortable; The color of the earplugs may be different, please understand Helpful tools: don't worry about the noise at night affecting your sleep; These silicone earplugs have good noise reduction quality, provide good sleep and isolate industrial sound; Ideal for sleep, construction, industry or other noisy environments Package contents: 8 pairs of soundproof silicone earplugs, one package, these earplugs have a good structure, so the earplugs can adapt to different sizes of ears, to ensure effective noise reduction ; Lightweight and convenient space-saving ear plug Size: 1.3*3cm