A sturdy vessel that is ideal for use with our Quick Cast Sand Casting Clay (Petrobond) that can be found in our store. Designed with two holding pins. It allows you to easily duplicate shapes, metals, coins, jewelry pieces, and more! Safety First: Always wear safety gear and practice caution while working with high temperatures. Intended for adult use only.<P>Dimensions: Outer: 4-3/4" x 3-1/2" x 2". Inner: 4-1/2" x 3-1/16" x 2". <P>Please contact us with any questions. Thanks for looking!