Crafted in good quality heavy gauge aluminium. How to Use: 1. Condition before the first use with a thin smear of cooking oil. 2. Cook over low to medium flame for best cooking results. High Flame can burn food,, waste energy and can result into surface discolouration after some time. 3. Do not use sharp objects like knives/ forks and metal spoons with sharp corners/ edges. 4. Cool pans before washing to safeguard against rapid temperature changes that can cause warping.