Biodegradable and compostable products packaged using a recyclable polyolefin thermoplastic. Please protect our environment by recycling all packaging. he PLA coating on the inside is completely Heat Stable, Withstands Boiling Water. Superior in Strength and Performance. Freezer and Refrigerator Safe. Suitable for Hot/Cold Food and Beverages. Impermeable and Non Toxic, biodegradable, compostable, and petroleum free