Fire blankets are made of fiberglass fabric, which makes them highly effective for quickly extinguishing fires. They can withstand high temperatures up to 600°C and are useful for reducing burns and preventing the spread of fires. Different types of fire blankets include welding blankets for withstanding sparks and molten metal, and ceramic blankets that can withstand extremely high temperatures up to 1260°C for heavy duty welding protection. The document discusses the materials, specifications, and prices of various fire and welding blankets.