... microwave oven Biodegradable knife fork and spoon:Material: Corn starch mainlyFeature:1. biodegradable and eco-friendly;1. hot water and hot oil ... resistant;2. acid and alkaline resistant;3 ... Fork: 100,000 pcs, 100 ctns 2. Spoon:223,000 pcs, 223 ctns 3. Knife: 86,000 pcs, 86 ctnsSeparate carton packing knife fork and spoon ...