Cortex-based packaging bag

Quick answer：

Cortex-based packaging bags are a type of packaging material made from the outer layer of a plant's bark, such as cork or bamboo. These bags are known for their biodegradability and eco-friendliness. They are used in various applications, including food packaging and gift wrapping. Cortex-based materials offer good barrier properties and can be processed into different forms, such as sheets or bags.