The fire pit pad at the bottom of this stove has a diameter of 39.5 in. It is coated with double-sided silicone and made of fireproof glass fiber material. It is waterproof, moisture-proof, slip-resistant and stable. It can withstand a high temperature of up to 1800℉. It can effectively collect oil stains, sparks and ashes, protecting the terrace, garden and lawn from damage, oil stains and corrosion. The product is made of high-density and durable material, easy to clean. It can be washed with water or cleaned with a vacuum cleaner. It is suitable for fire pits, barbecue grills, fireplaces, smoking stoves and other types of stoves, and is a commonly used fire protection accessory. Color: Black. Material: Fiberglass.