Sontara EC wipers are made to handle the toughest cleaning challenges due to their exceptional strength and resistance to abrasion, even when wet. Won't fall apart when used with MEK, isopropyl alcohol, solvents and other cleaning agents. Towel/Wipe Type: Folded Wipers; Fold Types: Interfold; Material(s): Wood Pulp/Polyester; Color(s): Blue.