Carbonyl Diamide - Urea is a “moisture magnet", most often used when rainbow dyeing, tie-dyeing or warp painting with Procion Fiber Reactive Dyes. Fiber Reactive Dyes only react with wet fiber so Urea is added to slow the pace of drying.

Please note: Products are filled by weight, not volume. Due to plastic shortages, jars, lids and bags may vary.