[ Package Content ]: Our packaging includes 40 pieces of microwave oven paper, 11.6X4.3 inches/29.7X21cm (LXW), suitable to make glass ceramic handicrafts yourself. Ceramic fiber material: White rectangular kiln paper is made of high-quality, fine craftsmanship and ceramic fiber material, which can be cut into suitable sizes and can withstand high temperatures up to 1400 degrees. [ Function and purpose ]: Used to prevent glass from sticking to the microwave oven. The of the kiln lining can make the back of the melt smooth. Easy to use: First, put the kiln paper into the kiln, then place the hot melt glass on the kiln paper, and finally cover the kiln cover to melting. Widely used: A great helper for exquisite glass jewelry, buttons, and decorations, making it convenient to make glass and ceramic handicrafts for family and friends.