Chantal SLIN-9 Induction 21 Steel 9 Piece Cookware Set Copper is melted into the steel to conduct heat quickly and titanium is added to improve strength and durability Magnetic induction perfect for all cooktops Ergonomic; stay-cool handles to easily maneuver multiple pans on a stove top Pans are oven and broiler safe to sear; braise or deglaze Tempered-Glass lid-easy to monitor cooking