Fiberglass cloth.Fire blanket can extinguishes fire by suffocating it,so it extinguishes both liquid and grease fire. Emergency survival fire blanket Perfect for the kitchen, fireplace, grill, car, camping and so on. Stops stove-top fires fast and is easy to use, safe, clean.The fire blankets is a great add on to your home . Can also be used to wrap around your body and act as a heat shield. Working Temperature: up to 1022°F (550°C). Colour:White Material:glass fiber Size:100 x 100cm Package Contents: 2 x Fire Blanket Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Can also be used to wrap around your body and act as a heat shield. Working Temperature: up to 1022°F (550°C). Emergency survival fire blanket Perfect for the kitchen, fireplace, grill, car, camping and so on. Fiberglass cloth.Fire blanket can extinguishes fire by suffocating it,so it extinguishes both liquid and grease fire. Stops stove-top fires fast and is easy to use, safe, clean.The fire blankets is a great add on to your home .