Be Positive 3ply Mask Specification- 3 Layer Mask* First Layer - Spunbond Filter 25 Gsm Second Layer - Spunbond Filter 25 Gsm Third Layer - Spunbond Filter 25gsm Elastic Attached With Ultrasonic Welding 4" Original Nosewire Soft And Comfortable Elastic For Ear Loop 50 Pieces Box Packing Also Available Easily Breathable
