[product performance] the surface of the product is smooth, anti-fouling treatment, wearing health, safety, soft and comfortable, sound insulation effect is good.

[product usage] this product can significantly reduce the noise pollution of the surrounding environment after being worn correctly. Suitable for all kinds of noisy environments, such as construction site, factory workshop, vehicle, aircraft, study room and dormitory. The use of this product can reduce the noise to the hearing damage, reduce the noise to the body harm, can improve the learning efficiency, improve the quality of sleep.

[product advantages] the surface is smooth and non-sticky, soft and comfortable, and can be washed and used repeatedly.

Packing :1 pair (960 boxes per box) 2 or 3 pairs (600 boxes per carton) Rules: 66 * 45 * 22.5