Key Specifications/Special Features:high Quality for N95-Niosh-1860 masks with fast delivery Properties Place of Origin:for 3M factorySize:17.5*9.5cmPacking:40pcs/box 25boxs/ctn or 20pcs/box 50box/ctnCertificate:CE&FDA certificateAdvancePrompt goodsDelivery TimeShipped in 3 days after paymentPackaging & ShippingGenerally, it will take 5 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.Our Services1. OEM Manufacturing: Product, Package...2. 14 days delivery time for usual order3. Quality improvement as customer request available4. Fast response for inquiry5.Niosh & CE & FDA Certificate