Product Name: Disposable Surgical Mask. Hong Kong brand HKLove's Family Mask Mask factory that you set up, everyone can feel at ease! Obtained SGS verification from an international testing agency The mask passed the "hygienic test" and "filtering efficiency" test ð???PFE (Particle Filtration Efficiency) 99% ð???BFE (bacterial filtration efficiency) 99% Three-layer structure-effectively block 99% of droplets and floating particles, dust, pollen and germs in the air Outer layer waterproof ~ Effectively block saliva, spray The mask workshop is a "100,000-class dust-free workshop" to ensure that the mask production meets sanitation. â­? Production place: Shenzhen â­?Size: 17cm x 9.5cm â­? Quantity: 50 pcs per box Packaging: 50 pieces / Box; 40 boxes / Carton; -, Delivery: Loose cargo; 20container for 550,000 pieces (11,000 boxes); Delivery Fee: On Buyer; -, Price: FOB China, USD0.64 / piece for FFP3 Surgical Mask;