*** Our product's specs: 4-Ply Surgical Face Mask MeltBlown Level 1, 2, 3 - Outermost layer: Non-woven fabric PP 2S 25gsm - Middle layer: Non-woven fabric PP 2S 20gsm - 25gsm - Bacterial filtration layer: Meltblown 20gsm - 25gsm - Innermost layer: Non-woven fabric PP 2S 25gsm - Bacterial filtration efficiency 95% to 98% - Brand: Dr. Seven - Made in Vietnam - Manufacturer: DR. SEVEN JSC *** Packaging: 50 boxes per carton, 5 packs of 10 pieces per box. Come together with 10 random thank you cards.
