safety earmuff: Headband earmuff--DEM224 1. The earmuff is made from ABS material, 2. Wire headband earmuff with comfort pad 3. Best fitting to the head 4. Super light big cup 5. Two low mounting points provide great comfort 6. soft and comfortable cushions 7.SNR: 30dB Packaged 1 per box, 20 boxes per carton Carton measure: 52cm* 30cm* 29cm