Protector Hearing: Elec Earmuff: 22-23 mm porous sound-absorbing sponge and custom-made honeycomb acoustic sponge together to absorb and reduce noises while ensuring comfortable wearing, achieving an SNR of 35dB;
Constructed by solid ABS-shell and thickened noise-dampening foam, Onhear ear muffs with ANSI S3.19 or equivalent.;
One Size Fits All;
Color: D-Black;
Earmuffs comes with an adjustable telescopic metal rack, 360°rota-table ear cups;
Compact folding design for easy storage and convenient portability; The noise-canceling headphones fold up nicely to fit in a range bag, backpack or briefcase while take
Only a small space, enabIing you to bring them to any noisy scenes;
MateriaI: PoIyurethane;
Package dimensions: 7.64 X 5.43 X 4.17 inches.