Latest News and Updates from Sunkey Packaging

The food packaging industry is experiencing a fundamental shift. According to Grand View Research, the global retort pouch market is growing at 7.0% CAGR (2024-2033), significantly outpacing the overall food packaging market growth of 4.1%. This reflects deliberate decisions by food manufacturers reassessing their packaging strategies. Read More

A retort pouch is a flexible packaging container constructed from multiple laminated layers of plastic and metal foil, engineered to survive high-temperature thermal sterilization—a process called "retorting." Unlike conventional flexible packaging that would fail under heat, retort pouches maintain structural integrity, seal strength, and barrier properties at temperatures between 121°C and 135°C (250°F–275°F). Read More

Ordering custom flat bottom bags may seem complex, especially if you're doing it for the first time. However, breaking it down into clear steps makes the process manageable and ensures you get exactly what you need. Read More

MOQ (Minimum Order Quantity) is the smallest number of units a manufacturer will produce in a single order. For custom flat bottom bags, MOQ typically ranges from 5,000 to 50,000 pieces, depending on your specifications. Understanding MOQ is essential for budgeting and inventory planning. Unlike retail products where you can order single units, manufacturing custom packaging involves significant setup costs that must be spread across a minimum number of units to remain economically viable. Read More

The global sustainable packaging market is projected to reach $440 billion by 2027, growing at 7.4% CAGR. This growth is driven by increasing consumer demand, stricter regulations, and corporate sustainability commitments. Today's consumers actively seek sustainable options. Studies show that 73% of global consumers are willing to change their purchasing habits to reduce environmental impact, and 66% consider sustainability when making a purchase. Read More

Kraft paper flat bottom bags are premium flexible packaging made from kraft paper—a strong, durable material produced from wood pulp using the kraft process. The term 'kraft' comes from the German word for 'strength,' reflecting the material's exceptional durability and tear resistance. Read More

Flat bottom bags use a three-dimensional measurement system: Width (W) x Depth (D) x Height (H). Understanding these measurements is crucial for choosing the right packaging size. Read More

Flexible packaging materials are the foundation of effective product protection. Unlike rigid containers, flexible packaging uses multi-layer laminate structures that combine different materials to achieve optimal barrier properties, durability, and aesthetic appeal. Read More

The right features transform a simple packaging bag into a powerful marketing and preservation tool. According to industry research, 73% of consumers prefer resealable packaging, and products with clear windows see 25% higher purchase rates compared to fully opaque packaging. Read More

Tea is one of the most aroma-sensitive products in the food industry. The volatile compounds that give tea its distinctive flavor and fragrance—including catechins, polyphenols, and essential oils—can deteriorate rapidly when exposed to oxygen, moisture, light, and foreign odors. Read More

Flexible packaging materials are the foundation of modern product protection. Unlike rigid containers, flexible pouches use thin film structures that can be customized layer by layer to achieve specific barrier, strength, and sealing properties. The beauty of flexible packaging lies in its versatility—by combining different materials, manufacturers can create packaging solutions perfectly tailored to each product's unique requirements, from coffee beans that need degassing valves to pet food requiring puncture resistance. Read More

The global pet food market reached $130+ billion in 2025, with flexible packaging becoming the dominant format for dry pet food and treats. Here's why leading brands are making the switch. Read More

Before diving into comparisons, let's establish what makes each bag type unique. Both are forms of flexible packaging, but their construction creates fundamentally different user experiences. Read More

When it comes to coffee packaging, not all bags are created equal. Flat bottom bags have become the gold standard for specialty coffee roasters for several compelling reasons. Read More

A flat bottom bag is a type of flexible packaging that combines the best features of stand-up pouches and traditional boxes. The defining characteristic is its completely flat, rectangular base that provides exceptional stability. Read More

Multi-layer barrier films protect food from oxygen, moisture, and UV light. This can extend product shelf life by 2-3x compared to traditional packaging, reducing food waste and improving profitability. Read More