Rappit Plaster Casting Cloth (60 Feet) Dries in minutes. Smooth durable finish. Medical grade for all your sculpting and casting design projects. Age: 4+ (adult supervision). Certif.: Conforms to ASTM D 4236, Non-toxic. Roll width: 4"(in). Roll length: 15'(ft). Item Dimensions: 12"Lx3"Wx3"H. Actual Item Weight: 5 lb.