1: effective isolation of noise, give you a clean world
2: effectively improve the quality of sleep Reduce the noise on the human nervous system interference
3: especially suitable for students or noisy areas of sleep
size:1.2*2.2cm
Material: Polyurethane + anti-fouling treatment surface
Packing: plastic bag
color:red,blue,green,pink,orange,yellow
Package include:1 set/2pcs earplugs
