Biodegradable Cutlery, Plant Starch/Oil Spoon, 6"" Length, White, 50/Pack, Sold as 50 Each 6"" strong and sturdy cutlery made from renewable resources. 6"" strong and sturdy cutlery made from renewable resources, primarily plant starch. Biodegradable and composts in commercial compost facility within 90 ? 180 days. Can tolerate heat up to 220?F.