safety earmuff with CE approval 1.noise reduction rate is : 28 to 36 db(CE quality) 2.shell material:pp 3.hihg qualtiy , safety earmuff with CE approval 1.noise reduction rate is : 28 to 36 db(CE quality)2.shell material:pp3.hihg qualtiy ,competitive priceThe earmuffs have convertible design,and are convenient to carry . safety earmuff with CE approval
