Product Function: Our microwave kiln papers have a good insulating effect, which can prevent the glass from sticking to the bottom of the microwave kiln, smooth the melt on the back, reduce the generation of adhesive burnt smell, and make more delicate projects. When using, just put the hot melt glass on the kiln paper, put it into the kiln, and cover the kiln cover. Product Size: Each ceramic fiber paper gaskets measures about 4.7 x 4.7 inches/12 x 12cm and the thick measuring 1 mm/0.04 inches. Please confirm the size before purchasing. Product Contents: You receive microwave kiln papers, sufficient quantity can meet your use and DIY needs, also can share with your family and friends. Product Material: These ceramic kiln papers are made of ceramic fiber, which is reliable in quality, has good insulation effect, and can be cut arbitrarily. Note: The product can only be used once. Wide Application: These microwave kiln papers can be used in the creation of hot-melt glass products, DIY jewelry pendants, beads, decorations, models, etc., to stimulate your interest in hand-made and create the best handicrafts., Weight: 0.36817197754 pounds, Manufacturer: ximie