Size: 14*11cm (M) or 17*11.5cm( L)
Material: 4 layers Non-woven fabric +1 layers Melt blown fabric
Feature: Hand-Made, comfortable, can be used for three days.
Quality Control:
1. Clean level: 100000 level high clean workshop, which can be understood as dust-free room
3. daily audits of raw materials, production process, finished goods. Daily lab testing as product is produced.