Description：   100 % Brand new and high quality   Material:ABS   Color:Green   Size: Please see the photo   Certification: CE, Rosh   NRR:21dB   Suitable For:Sleep,Study,Work,Game,Travel,F1   Function: protect hearing and reduce noise   Features:   1. The shell is made of ABS material, resistant to impact, heat, corrosion and low temperature   2. High density sponge, greatly reducing noise   3. The position of the ear cover can be adjusted as needed to ensure the comfort and fit of the ear cover   4. Colours: Green   Package Included:   1 X ear muffs