http://www.iwe-3d.com/face-mask/disposable-face-mask/ Name: Flu masks Color: Black, Blue, Green, Pink, White, gray, accept mixed color combination or customized color Size: 17.3*9.2cm Origin: Xiantao, China Brand Name: ZISHENG Model Number: ZSM17 Materials: Hydrophobic non woven+Melt blown+Soft absorbent non woven Shelf Life: 2 years Weight: 25g + 25g + 25g BFE: 99% Filtration: Three-layer filtration,High efficiency filtration, high quality protection Application: prevent and isolate dust,particle,alcohol,blood,bacteria and virus Usage: Outdoor Face Mask MOQ: 10000pcs