-Washable and disinfectable. -Ideal for -Hygienic two sided extra cushioned file HS9103006 Alpine Board Gray Coarse/Medium (100/180 Grit) : 21*178 (12T) HS9103007 7" Sander Gray Coarse/Medium (100/180 Grit) : 21*178 (8T) HS9103008 7" Sander Gray Coarse/Medium (100/180 Grit) : 30*178 (12T) HS9103009 7" Sander Gray Coarse/Medium (100/180 Grit) : 31*178 (12T)