Circulon Premier Professional 13-piece Hard-anodized Cookware Set Stainless Steel Base Color: Chocolate Bronze. Circulon Premier Professional features the TOTAL Food Release System of raised circles for extraordinary food release with exceptional durability that reduces surface abrasion. With Autograph, the most advanced 3-layer nonstick from DuPont, this cookware is safe for use with metal utensils The unique grooves coupled with this exceptional nonstick means your pans will provide a lifetime of performance - guaranteed. Heavy gauge hard-anodized cookware heats quickly and evenly Stainless steel base makes this cookware suitable for all stoves, including induction. Comfortable silicone and stainless steel handles are double riveted for extra strength. Oven safe for up to 400 degrees F Shatter-resistant tempered glass lids with stainless steel rims allow you to monitor the cooking process without losing moisture and flavor Dishwasher safe. Limited Lifetime Warranty