Pebeo modeling alginate 500g Moulding alginate powder based on natural marine algae to mold complete and precise 3D elements, including soft and delicate objects or the human body. Once mixed according to instructions the mix hardens in 10 minutes, just add water. You will also need a container large enough to hold the item to be molded and pour the mixture into it. Once the mold is set it can be used up to 3 times for reproductions in reconstituted stone of plaster or wax. Instructions included. Suitable for beginners or professionals. Non-toxic and suitable for skin contact. Quantity: 500g. Brand: Pebeo.