These pot holders are made of food-grade silicone and can withstand heat up to 300°C. They have a non-slip design for safe use. - Brand: PASSO - Color: Ivory/Beige - Heat Resistance: Up to 300°C - Material: Food-grade silicone - Design: Symmetrical design - Features: Non-slip I purchased these, but my family also bought some, so I'm selling them. I hope they can be useful to someone who wants them. Thank you for looking.