Respirator Mask Respirator Direct Supply PM2.5 Hospital Face Mask Item Introduction:Nameï¼3ply Mask for Personal UseMaterialï¼Non-woven Fabric, Thermal Insulation CottonWeightï¼2.5g / MaskColorï¼Light BlueSize ï¼17.3Ã 9.5cmUseï¼Smog & Antiviral ProtectionQuantityï¼50 Masks / PackQuality Assurance Codeï¼GB2626-2006Item Details:* Good ventilation and can filter toxic particles* Preserves heat and is waterproof* Soft texture and comfortable wear