The perfect ethical baking essential these baking cups are made from 100% unbleached paper are biodegradable and landfill safe meaning that you can bake as often as you like safe in the knowledge that you are using a great environmentally friendly product! As well as this the manufactured materials are all made from renewable resources. Housed in unbleached recycled cardboard packaging printed with vegetable based inks these cups are silicone coated unlike some leading brands who instead use quilon which is a chemical containing chrome a heavy metal which when incinerated becomes toxic and leaves trace elements.Top diameter 8cmBottom diameter 5cmHeight 3.5cm Chlorine free (TCF) eliminating chlorine derivatives being dumped into our lakes and water systems. Vegan and vegetarian friendly also gluten and allergen free. Microwave and oven safe up to 428°F/220°C. Can be home composted.