Saucepan with lid, 16cm diameter, from Jasper collection by Ambition. Jasper pots and pans are made of aluminum. These are high quality dishes, reliable in use, durable and elegant. Inside, they are covered with a high-quality Qualum Basic Stone Edition coating. It is an extremely durable coating with very good non-stick properties and very good abrasion resistance. The pot covers are made of tempered glass. The roasting pan and deep pan have a heat-resistant glass lid with a dispenser in the knob for refilling liquids. Aroma Knob System. Jasper line products are adapted for use on all types of cookers, including induction cookers