The practical lid from French brand Staub is a great replacement for metal or cast iron accessories of this kind.
It is interesting:

• The glass lid is available in several sizes, allowing you to adapt it to your pot.
• Thanks to its transparency, you can check the condition of your food in real time without having to lift the lid.
• It is a product that keeps the heat perfectly and, in addition, the juiciness of the cooked meal.

Available versions:

• Staub Cover 30 cm glass, Staub Cover 37 cm glass, Staub Cover 16 cm glass