Rappit Plaster Cloth is cotton coated with plaster of paris, an essential sculpting and casting art material. Simply activate by dipping in water and apply. Sets in just 5 minutes. Popular uses include: sculpting structures (i.e.. volcanoes, the Earth, landscapes), mask making, body casting, sculpture/modeling, and much more. Each roll measures 12" x 50'. How To Apply Rappit Plaster Cloth Cut to desired length, dip in warm water, lift out and gently squeeze out excess water and apply. For best results, overlap a portion of the previous bandage until the surface is covered. Three (3) layers is sufficient. This will help in building up strength in your casting. Use clean water for dipping.