Content: 100% Polyester; Backing: None; Width: 58/59" Usable; Finish: None; Abrasion: 100,000 Double Rubs (Cotton Duck); Breaking Strength: 199 lbf min. Warp and Fill; Lightfastness: Grade 4 min. at 20 Hours; Colorfastness To Crocking: Dry: Class 4 min.; Wet: Class 3 min.; Flammability: Passes California TB 117-2013; Cleaning Code: WS