ITEM NAME:Small Glass Fusing Microwave Kiln Molds for DIY Fusing Glass Art Craft Supplies Description: Microwave kiln is melting glass tool for making DIY glass jewelry Fuse glass in your microwave, so easy to make your glass jewelry Stores easily making glass fusing easy, safe and economical Perfect for fusing jewelry pieces or embellishments in as little as few minute Very useful jewelry making tools for home jewelry making Specification: Material: Ceramics Whole diameter: Approx. 12cm / 4.72 inch Inner diamter: Approx. 8 cm / 3.15 inch Package Includes: 1 Piece Microwave Kiln SKU: DMO0008790559019484.1 Piece Microwave Kiln. Material: Ceramics. Fuse glass in your microwave, so easy to make your glass jewelry.