Shell : High Density ABS Material
Sponge: Sound Absorbing Foamed Sponge
Design : Easy Slide Cup Adjustment
Color Available: Black, Red, Blue, Orange, Yellow etc
Sound Proof: NRR 28dB, SNR 33dB
CE EN352-3:2002
CE EN352-1:2002
Application : Construction, Road & Building Workers, Forest & Wood Workers, Mining, Mechanics, Factory Workshop, Shotting etc