2.5mm aluminium body with ergonomic bakelite handle 3 layer aeroglide coating is 3x stronger than standard non stick smart start technology activates at 150 degrees celsius indicates the pan is at optimum cooking state at 200 degrees celsius 100 percent recyclable excluding handle free from pfoa lead and cadmium oven safe up to 170 degrees celsius for up to 40 mins dishwasher friendly hand wash recommended suitable for all hob types except induction stir frys are about to be a breeze t cook and serve with this classic wok from tower. Presenting innovative smart start technology with a built in temperature sensor that lets you cook like a pro. Put the wok onto the heat and wait for the smart start tick to change to dark red and start cooking. Each wok is lightweight and ultra tough with expertly crafted 2.5mm thick aluminium. Great heat conductivity properties ensure quick heat up time with easy manoeuvrability. The innovative aeroglide non stick coating consists of a base layer and durable abrasion layers and the 3 layer coating is 3x stronger than standard non stick coatings. The aeroglide coating provides superior food release, is easy to clean after use and dishwasher safe. A heat resistant exterior coating improves safety. The wok is oven safe up to 170c for 40 minutes, allowing for versatility and expansion of recipe ideas. All smart start pans are free from harmful chemicals such as pfoa, lead and cadmium. Sustainable materials have been used, with fully recyclable products and packaging. Suitable for all hob types, except induction.