The T-Fal 7" Replacement Lid with Vent is a round glass lid with a black knob, designed specifically for T-fal cookware. It has a diameter of 7 inches and is compatible with both electric and gas stoves. The lid features a vent for steam release, making it ideal for cooking a variety of dishes. With its durable construction and reliable brand reputation, this lid is a practical and essential addition to any kitchen. Good used condition.