The Gypsy Quilter Silicone Appli-Fuse Mat in 17 inches x 24 inches size is a versatile tool for all your fusing, ironing, and gluing needs. Made of heat-resistant silicone and glass fiber material, this mat can withstand temperatures up to 500°F (260°C). Its transparent and slightly tacky surface allows for precise positioning of applique designs and multiple layers to be pressed simultaneously with a hot iron. Perfect for use with glue guns, this mat protects your work surface and ensures easy cleanup.