Introducing Smith's premium 12.5Kg Buff Stone Clay, setting the standard in fibrous plasters and molding materials. This clay is exceptionally smooth, delivering superb detail and ease of work, making it ideal for the fibrous trade. Air-dry your creations effortlessly with the finest clay that ensures no gritty bits at all. We believe this to be the best clay for professionals seeking precision and quality in their molds. Elevate your craftsmanship with Smith's, where excellence meets functionality.