Crystal Tack Cloths 18" x 36" - Waterborne Approved (25/box) Application Info: Crystal Tack Cloths 18x36 25/box Waterborne Approved Medium Tack. * Assures a blemish-free mirror-smooth finish * Will not dry-out, harden or darken * Spontaneous combustion proof * Designed to leave no residue * Non-toxic A medium-tack product formulated for metal cleaning before painting. Designed for all paint systems. May be used with Waterborne paint systems