Multi-Purpose Silicone Frog Potholder, Trivet, and Jar Opener Fun and functional! Multi-Purpose silicone frog can be used as potholder, trivet, and jar opener. Can also be used as a spoon rest to keep your kitchen table or counter clean. Made of durable 100% food grade silicone. Heat Resistant Protection of a range between -40 to 482 degrees Fahrenheit.