Latest News and Updates from Sunkey Packaging

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

Stand Up Pouches (SUP) are best for cost-effective, versatile packaging with good shelf presence. Flat Bottom Bags (FBB) are ideal for premium products requiring maximum shelf impact and box-like stability. Choose SUP for: snacks, liquids, pet treats, supplements, frozen foods. Choose FBB for: premium coffee, specialty tea, premium pet food, gift packaging. Read More

Quick Answer: Stand up pouch sizes are expressed as W × H + D (Width × Height + Bottom Gusset Depth) in millimeters. Common sizes range from 100×150+60mm (50ml) to 280×400+120mm (3kg). For optimal appearance and stability, fill pouches to 70-80% capacity. When in doubt, request samples before committing to a large order. Choosing the right pouch size is critical for product presentation, shelf impact, and cost efficiency. This guide explains how to read dimensions, select the perfect size for your product, and avoid costly mistakes. Read More

Quick Answer: A stand up pouch (also called doypack) is a flexible packaging bag with a bottom gusset that allows it to stand upright on retail shelves. It combines the convenience of flexible packaging with excellent shelf presence, making it one of the most popular packaging formats for food, pet food, and consumer products worldwide. If you're a brand owner, product developer, or procurement manager looking to understand stand up pouches for your packaging needs, this comprehensive guide covers everything you need to know—from basic structure to material options, applications, and how to choose the right supplier. Read More

​Packaging design is not just the appearance of a product, it also plays a key role in conveying brand value, attracting consumers' attention and increasing sales. An excellent packaging design can make a brand stand out and win the favor of consumers. If you are looking for efficient packaging solutions, here are five design strategies to help you enhance brand appeal and win market competition. Read More