Calphalon Premier™ Space Saving Hard Anodized Nonstick Cookware securely stacks to save 30% more space*. Plus, the unique cookware design and flat glass covers stack and nest in any order**. The Calphalon Premier™ Space Saving Cookware Supper Club Set includes 10”and 12” diameter cookware which form two separate stacks to save more space in the kitchen. The durable, hard anodized construction allows for even heating with no hot spots and is dishwasher safe for easy cleanup. The 3-layer nonstick interior is durable enough to withstand metal spatulas, spoons and whisks.