Heavy-Duty Custom Printed Flat Bottom Bag for Bulk Flour and Powder
The industrial-grade solution for bulk food products. Our heavy duty bag features a stable flat bottom and a reinforced handle, designed to safely transport and display up to 5kg of flour or protein powder.
Professional Branding for Bulk Powder: The Heavy-Duty Flat Bottom Bag
Modernize your industrial packaging with our premium flat bottom Mylar bags. In the 2026 B2B marketplace, leading flour mills and supplement suppliers are moving away from traditional woven sacks to high-barrier composite bags. Our square bottom solution offers superior sealing, moisture protection, and five sides of high-definition branding to ensure your product stands out in any warehouse or retail setting.
Engineered for Strength and Shelf Presence
High-Strength Engineering for Heavy-Duty Bulk Packaging Upgrade your industrial powder packaging with Yun Sealoong’s reinforced 5kg flat bottom mylar bag. Specifically engineered for flour mills and nutrition supplement companies, this heavy-duty pouch utilizes a high-performance MOPP/PA/PE laminate structure. The inclusion of a PA (Nylon) layer provides the critical puncture resistance and tensile strength required for high load-bearing capacities, ensuring that bulk powders remain secure during the rigors of B2B distribution and long-haul sea freight.
Optimized Stability and Consumer Convenience This professional-grade packaging features a stable flat bottom and side gussets, allowing the bag to stand upright and maintain a rigid silhouette even when filled to its 5kg capacity. The integrated top handle is a strategic value-add, providing effortless portability for consumers and warehouse staff alike. With a resealable zipper top and superior barrier properties against moisture and oxygen, Yun Sealoong ensures that contents such as organic flour or protein powder maintain their chemical stability and freshness long after the first opening.
Scalable Logistics Efficiency and Custom Branding We understand that for high-volume distributors, supply chain reliability is paramount. Shipped in flat-packed industrial cartons, our bags maximize container loading efficiency, directly reducing your landed cost per unit. We support premium custom branding with up to 10-color gravure printing, allowing your logo and product graphics to stand out on the retail shelf with professional matte or glossy finishes. With a reliable 15-30 day production cycle and flexible MOQs starting at 1000 pieces, Yun Sealoong provides the high-repurchase anchor packaging required to scale your bulk powder business globally.

|
SPECIFICATION
|
PRODUCT DETAILS
|
|
Product Name
|
Heavy Duty 5kg Flat Bottom Side Gusset Mylar Bag with Handle
|
|
Features |
SUPERIOR LOAD BEARING PERFORMANCE Manufactured from a high strength PET PA PE laminate specifically engineered to support bulk quantities of up to 5kg. This heavy duty structure provides the necessary tensile strength and puncture resistance for the safe transport and handling of dense powders like flour and protein supplements. STABLE FLAT BOTTOM AND SQUARE DESIGN The advanced flat bottom design offers maximum shelf stability and a professional look compared to traditional sacks or woven bags. This square bottom structure provides five printable surfaces allowing flour mills and supplement companies to maximize their branding and consumer information. REINFORCED TOP HANDLE CONVENIENCE Features a sturdy integrated top handle designed to make carrying large 2kg and 5kg packages effortless for the end user. This ergonomic addition is a significant functional upgrade that enhances the overall convenience for both retail consumers and B2B workers. STRONG MOISTURE AND SMELL PROOF BARRIER Utilizes high quality food grade materials that create an impenetrable barrier against moisture oxygen and external odors. This ensures that sensitive food powders remain dry and free from contamination during long duration sea freight and storage in various environments. VERSATILE BULK PACKAGING SOLUTION Ideal for a wide range of industries including flour mills nutrition companies and ingredient suppliers. This high repurchase anchor product offers superior sealing and branding opportunities compared to traditional bulk packaging making it the preferred choice for premium market positioning. |
|
Product Code
|
C2-2-007
|
|
Brand Name
|
Yun Sealoong
|
|
Material Structure
|
High-Strength MOPP / PA (Nylon) / Reinforced PE Liner
|
|
Bag Style
|
Stable Flat Bottom with Side Gusset and Top Integrated Handle
|
|
Load Capacity
|
Heavy-duty designed for 5kg (Approx. 11 lbs) bulk powder
|
|
Barrier Level
|
Superior Moisture Proof, Oxygen Insulation, and Full Light Shading
|
|
Closure Feature
|
Resealable Zipper Top / Heat Sealable for maximum security
|
|
Surface Finish
|
Professional Matte or Glossy Gravure Printing (Supports up to 10 colors)
|
|
Industrial Use
|
Flour mills, Protein Powder, Agriculture Seeds, and B2B Ingredients
|
|
Physical Strength
|
High Puncture Resistance and Excellent Load-bearing Stability
|
|
Standard Sizes
|
Fully customized dimensions accepted for specific 5kg densities
|
|
Safety Compliance
|
Food Grade Materials, BPA-Free, ISO 9001 Compliant
|
|
MOQ
|
1000 Pieces
|
|
Lead Time
|
15 - 30 Working Days based on order quantity
|
|
Sample Policy
|
Free samples offered for quality and load testing
|

Additional information
| Color | Customized |
|---|---|
| Size | Customized |
| Thickness | Customized |
















