Color:Black, Red, Purple, Blue,green,pink, custom Material:Cotton fabric Function:Anti-dust, pollution ,PM2.5 , odor Application:Patient , public place, flu, dust ,cold weather Certification:ISO, SGS Product Type:Fashion, fuctional,washable Packing:1pcs plastic bag,50pcs OPP bag,1500pcs carton Size:24*15cm; child: 14.5*9.5cm