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MACK's Soundproof Noise-proofing Work, 3 sleep trip

Origin	United States
Imported or not	Yes
Brand	MACK
Model	Red 3 double, purple 3 double, blue 3 side, champagne 3 side, green 3 side.
Materials	Sponge.
Noise reduction rate	30
Implementation standards	EN352
Functions	Noise reduction
Scope of use	Sleep, study, work, etc.
Feature services	None
Series	3 sets of ear plugs.
Connect Lines	None
Colour	White
Dimensions	Earplug size: 1.8*0.9 cm
Usage	Scratch it in the ear.
Classification	Earplugs
Effectiveness	Reduce noise
Packaging Method	Plastic packaging
SNR	30
Could you wash it?	No water washing recommended.
Ear plug head shape	Bullethead.
Earplug colour	Purple, platinum, lake blue, champagne gold, green.
Whether or not to export a source of goods exclusively across borders	Yes