Sell hospital disposabel mask @China (Mainland)

1. Made of： SPP 16/20/ 25 g/m2
2. color：  white/blue/green/pink/yellow
3. style： 3 layers ( non –woven )
4. size：17.5 x 9.2 (+/- 0.2)cm,  size for children: 14.5 x9.2 (+/- 0.2)cm