Soft Mold Jewelry is for making different types of jewelry stones designed by Padico. Two size of heart shaped stones & drop shaped ones, a circle, a oval, an an octagon shaped stone, you can make. ;The soft mold is good for using with resin and soft clays. Use mold oil to grease the molds if you are using clay that tends to stick. Recommend you to use another piece of clay to lift the molded clay out of the mold. The mold is made of polypropylene and it is bendable and flexible. Size: 90 mm W x 80 mm H x 12 mm D.