BLM Cotton Mask
These masks contain three layers with soft elastic
1. Cotton (Outside) 2. Gauze (100% Cotton) 3. Breathable Net (Inside)
<Fabric thickness level 2 >
2 (Light /thin)
1(very thin/super breathable)
*BLM mask is NOT inkjet print. Therefore the ink will fade after you wash. Please do not squeeze and rub too much.