1. Good noise reduction effect, could be cleaned are repeatedly used

2. With portable-type carton

3. Noise insulation efficiency: 26dB

4. Provide four packing modes of white box, color box, bag and sliding card

Inner packing: White box, color box, bag and sliding Flexible and multi-color to choose

Outer packing: Due to inner packing

reuseable silica noise cancelling banded ear plug