Round Drop Ring
 
It will fit medium size microwave kiln. Can be used in any other glass kiln as well. This mold is made of ceramic and designed to fuse glass. Our high quality slumping molds are slip-cast from specially formulated clay, and have a very smooth surface, accept kiln-wash uniformly and does not crack under repeated use when handled correctly. By using different size kiln posts (sold separately) you can create many different depths of project from this single mold.  For micro-kiln firing technique please contact us via e-mail.