The structure of your custom Mylar bag is as important as the design. Select multi-layered, food-safe, and moisture-resistant materials that ensure long shelf life. In 2025, recyclable and compostable options are gaining traction, so incorporating sustainable materials can make your product more appealing to environmentally conscious buyers. https://www.bipko.net/how-to-design-custom-mylar-bags-that-sell-in-2025