Hot Stuff Trivet and Pot Holder – Large Size Refill. Includes one 8 in silicone overlay. Use with the ATB-194 Hot Stuff Trivet and Pot Holder – Large Size pattern to make a trivet or pot holder that finishes at approximately 9-1/2 in. Silicone overlay is 100% food grade silicone and heat resistant up to 450 degrees.