World Centric® compostable 2 oz inserts for 9 oz cold cup lids are made from PLA, (polymer made from plants). They are a sustainable alternative to plastic, suitable for cold items, and freezer safe. Not microwavable. PLA products should be stored in a cool place below 110° F and out of direct sunlight. These are certified compostable in a commercial facility, which may not exist in your area.

• Diameter: 2.9 Inches.
• Height: .9 Inch.
• Color: Clear.
  
• Material: PLA.
• Sold as Case of 2000 | Pack of 100.