Sturdy and versatile, these leak resistant lids snap-fit onto Zume's patent-pending compostable containers. Grease and water resistant they can handle a wide variety of hot, cold, dry or oily foods without leaking, including soups and curries.Suitable for the freezer & reheating of contents in a microwave or electric/fan ovens up to 150 degrees (for 20mins)Dimensions: 16cm diameter, 0.7cm height. Each pack includes 600 Zume Compostable, Eco Friendly, Disposable Snap-Fit Lids to fit 500ml Small Bowl. Don't forget your Anti-leak bowls. Made from 100% virgin plant fiber/wood pulp, these containers can be composted in home or industrial facilities, where available. These disposable containers are eco-friendly and a great alternative to plastic.