Soft Package Bag

Quick answer：

A soft package bag, also known as a pouch, is a type of packaging that is usually made from flexible materials such as plastic, paper, or fabric. It is commonly used for packaging small to medium-sized items, such as snacks, cosmetics, and small consumer goods. Soft package bags are versatile, lightweight, and can be easily opened and closed. They are popular due to their cost-effectiveness and environmental friendliness.