MelonBoat 4 Pack Bamboo Trivet Mat Set, Heavy Duty Hot Pot Holder Pads, 7" Round Natural wood color with pretty wood grain. Hard carbonized surface: 100% heat-resistant, antibacterial and durable. Light weight but heavy duty. Highly heat resistant: Protect dining table, counter-tops or any heat sensitive surfaces. Note: Keep it in dry place, use a cloth to clean it.