If you're planning a barbecue, children's party, or picnic, cutlery are is essential for your event. This sturdy, durable and disposable cutlery is hygienic and means no doing dishes when the party's over. The knives are made using corn and other natural starches and there is no petroleum based in their production, so they're as durable as a leading brand and less harmful for the environment. All Conserve cutlery is good for use in all hot liquids from hot soups to coffee and tea. Each piece is 7 inches long and can withstand up to 170 degrees Fahrenheit. All cutlery is microwavable. Knives are safe for cold foods and are freezer-friendly. Each box contains 100 environmentally friendly knives. Knives withstand up to 170 degrees.