Famapro Max High Filtration 4 Ply - Maximum Protection Black Color +BFE, PFE >99% +CE, FDA, ASTM, ISO + Min Order: 500 boxes ( 50 pcs per box). 4 protection players system designed to offer comfortable, high breathable and perfect fitting your face masks. + Outer material: PP Spun-bond non-woven fabric + Filter layer: PP Melt Blown non-woven fabric + Antibacterial Fabrics: High-class antibacterial non-woven fabrics, water proof, preventing bacteria from outside environment + Inner material: PP Spun-bond non-woven fabric, soft and high quality for contacting with skin. Body Size: + Lengh: 175mm + Width: 95mm Length of Ear-loop: 165mm Length of Nose-bridge: 105mm