The Eco Lite lid adds a new dimension to our smarter, more sustainable Eco Lite cookware. Designed with the latest technology, it retains heat in the pan for faster, more energy-efficient cooking. With the clarity and durability of tempered glass, it allows you to check on your meal without removing the lid. German engineered Made of specially hardened glass that is extremely light and highly break-resistant. Rim reinforced with stainless steel. Sustainable lid knob with built in steam vent made from renewable materials.