Ten Pairs Non-toxic Orange Soft Memory Foam Material Earplug for Sleeping

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1. Soft memory foam material, wear comfortable and neat. 2. Anti-noise, perfectly functional for quiet sleeping. 3. Ten pairs in one pack. 4. Easy to use them: Firstly, twist the earplug into strip shape, then pull your upper ear edge up, push the earplug into your antrum auris(just two-thirds of the earplug inside your ear) Secondly, press the earplg for about 20 seconds, then...