FULL CASES AVAILABLE AT A BETTER UNIT PRICE SEARCH FOR: WC-ST-CS-8W World Centric straws are made from Ingeo, which is derived from plants grown in the USA. Instead of using petroleum-based plastic which create toxicity and environmental pollution, you can now use our eco-friendly alternative! Best used for beverages below 110F Should be stored below 110F and away from heat, hot surfaces, and direct sunlight. Items have an expected shelf life of 10-12 months.