Product Name: ear protection (double layer) 
 Material type: ABS shell / multi layer sound blocking cotton 
 Classification: suitable for 1 05 DB environment, SNR: 35 
 Adhesive way: the package is folded box (with package inside) 
 Color selection: red, blue, black 
 Product features: non metallic material production 
Adjustable headwear is suitable for different head types and the rotatable cup is more comfortable to wear
me