A 3-side seal pouch is a flexible packaging format sealed on three sides, providing a secure and durable barrier for various products such as food, pharmaceuticals, or cosmetics. This pouch design features one open side for easy filling and is ideal for single-serve or small portion items. It offers excellent protection against moisture, air, and contaminants, making it suitable for products requiring long shelf life and freshness. The compact, lightweight design also makes it a cost-effective option for efficient storage and shipping.