Activa Rigid Wrap Plaster Cloth - 5 lb. & clay at Joann.com | Size: 11-3/4''x16.6 yards Rigid Wrap Plaster Cloth can be used to create amazing variety in under 30 minutes. Using this product is quick, easy, and fun! Ideal for mask making, jewelry, sculpture, and home decor projects. Plaster cloth is fast drying, non-toxic, safe, easy-to-use, and even microwavable!