Thermo-Spot heat indicator shows when pan is preheated. ProMetal Pro nonstick interior is durable and scratch resistant. Vented, tempered glass lids and riveted silicone handles are oven safe to 350 degree F. Set includes: 8" and 10-1/4" fry pans; 1, 2, and 3 quart covered sauce pans; and 5 quart covered Dutch oven. Dishwasher safe. Limited lifetime warranty.