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 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. The Calphalon Premier Space Saving Hard-Anodized Nonstick 12-Quart Stock Pot and Cover have 12" diameters and can stack with other 12" diameter products to save more space in the kitchen. *Average space saved vs. like non-stacking Calphalon cookware items. **Cookware must have same diameter.