Perfect Plaster 8lb Pottery & Ceramic Casting Material Perfect Plaster Pottery & Ceramic Casting Material is specially formulated to create the most accurately detailed and high quality casts from your molds Easy to mix and use, Perfect Plaster quickly hardens to perfection in 30-45 minutes Beginners and experts alike trust their craft projects to Perfect Plaster Casting Material ensuring the best results every time Includes 8 lbs of Perfect Plaster Casting Mix Non toxic and proudly made in the USA