The front of the bag is made from highly transparent PET or BOPP, which allows consumers to see the product inside. This is especially beneficial for visually appealing products or those that rely on product visibility for marketing purposes.The back of the bags are made from Metalized PET or aluminum foil, which is achieved by coating the inside surface of the bag with a thin layer of metal. This metallization process enhances the bag's barrier properties against light, moisture, and oxygen, providing protection for the product inside. It also gives the bag an attractive, high-end appearance, making it stand out on store shelves.

Both transparent and metallized stand up pouches have advantages in terms of product visibility and presentation. The choice between the two depends on the specific requirements and preferences of the product and brand.Transparent stand up pouches are great for showcasing the product inside, while metallized stand up pouches is suitable for products that need a premium, eye-catching appearance and enhanced protection from external elements.