Surgical maskPalmjoy mask manufacture with strict quality control and competitive priceDetailed information:1. Material: SBPP+MB+SBPP (Nonwoven + Meltblown + Nonwoven)2. Gramme: 18g +20g+25g3. Size: 175*95mm4. Style: Ear-loop and spot welding hem5. Layer: 3-ply6. Color: White/blue/green7. Packing: 5......