All-Clad 6200.5 SS Copper Core 5-Ply Bonded Dishwasher Safe Butter Warmer / Cookware, 0.5-Quart, Silver Copper center core maximizes heat conductivity and responsiveness, 18/10 Stainless Steel Interior Distinctive exposed copper band adds design elegance Rolled edges for drip-free pouring Engraved capacity marking on the bottom of every pan Rapid and even heat distribution; Long, riveted stick handle stays cool on the cooktop while easy-grip loop handles provide stability, oven safe