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Fertilizer, Pesticide & Agrochemical Packaging

Cleaner, Laundry & Air Care Packaging

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Protective Structures, Inserts and Retail Packs

Custom Protein Powder Pouches, Vitamin Stick Packs & Nutrition Bar Bags

Cosmetics, Fragrance and Skincare Packaging

Takeout, Bakery and Beverage Packaging

Kibble, treat & wet food packaging
The Bulk Pet Food Side Gusset Bag serves a fundamentally different market segment than retail pet food pouches: this is packaging engineered for wholesale distributors, large-breed dog owners, multi-pet households, animal shelters, and commercial kennels where the purchase decision is driven by cost-per-kilogram economics rather than shelf aesthetics. The deep side gusset design provides up to three times the internal volume of a standard flat pouch of equivalent width — enabling the 15-25kg fill weights that this market demands.
The integrated top carry handle is not an aftermarket add-on but a structural element engineered into the bag during manufacture. The handle is heat-sealed between the laminate layers with a reinforcement patch that distributes the full 25kg load across a wide bond area — preventing the “handle rip-out” failure that plagues cheaper bags where handles are simply glued to the exterior surface. Each handle is pull-tested to 150% of rated load (37.5kg for a 25kg bag) as part of our QC protocol.
Our woven-texture embossed laminate is a material innovation that solves a longstanding trade-off in bulk packaging: woven polypropylene sacks offer excellent strength and grip but zero barrier protection and poor print quality, while smooth laminate pouches offer good barrier and print but become dangerously slippery when handling 25kg loads. The embossed weave texture on our laminate creates the grip characteristics of a woven sack while maintaining the oxygen, moisture, and grease barrier properties of a multi-layer laminate — the best of both material worlds.
The multi-window die-cut display panels serve a critical merchandising function unique to bulk formats: when a 25kg bag sits on a warehouse club or farm supply store pallet, consumers cannot pick it up to examine the product. The vertically arranged transparent windows allow the actual kibble to be seen from multiple angles, building purchase confidence without requiring physical handling. Key applications: wholesale dry dog food, large-breed dog food (Great Dane, Mastiff formulations), multi-cat litter box refill packaging, livestock and equine supplement bags, and animal shelter bulk feed programs.
| Color | Size |
| Warm Sand | 8kg |
| Olive Drab | 10kg |
| Charcoal | 15kg |
| Deep Brown | 20kg |
| Forest Green | 25kg |
| Custom Color Available | Custom Size Available |
Printing on bulk side gusset bags requires a different visual strategy than retail pouches: the graphics must communicate “heavy-duty, industrial-strength, professional-grade quality” rather than “cute, premium, boutique.” The color palette shifts to deeper, more subdued tones that convey substance and reliability — warm sands, olive drabs, charcoals — with bold typography for readability at pallet distance in warehouse environments.
The woven-texture embossed surface creates a unique printing challenge. Ink transfer to an embossed surface is inherently less uniform than to a smooth film because the raised and recessed areas of the texture receive different ink film thicknesses. Our gravure process compensates for this through anilox roll selection (the engraved cylinder that meters ink to the printing plate) — using deeper cell geometries that deliver extra ink volume to ensure complete coverage of the textured surface despite its topography.
For the outer carton overlays used in some BIB-style bulk formats, we employ water-based flexographic printing on kraft corrugated board. This delivers bold, legible product identification and handling instructions at the cost point appropriate for industrial packaging. The multi-window display areas use precision die-cutting with the clear PET window film heat-sealed behind the cut openings — a process that requires careful registration between the die-cutting station and the printing station to ensure printed graphics align perfectly with the window positions.
The lining of a bulk side gusset bag must handle a unique combination of stresses: the static weight of 25kg of dense kibble pressing outward against the seals, the dynamic shock loads when bags are dropped during warehouse handling, and the long-term exposure to pet food oils that can slowly degrade standard sealant layers over the 12-18 month shelf life typical of bulk formats.
We address the weight-bearing requirement with an oriented nylon outer layer — the same puncture-resistant polymer used in vacuum-sealed meat packaging. Nylon provides approximately 3x the puncture resistance of PET at equivalent thickness, making it the material of choice for bags that will contain 25kg of angular kibble pieces. The nylon layer is bonded to an aluminum foil barrier core using a solvent-free lamination process that eliminates the risk of residual solvent migration into the pet food.
The inner sealant layer uses a heavy-gauge PE (80-100 microns, compared to 40-60 microns in retail pouches) engineered for oil resistance. This thicker PE not only provides better chemical resistance to pet food oils but also adds structural stiffness to the bag body — helping the filled bag maintain its shape on pallets rather than slumping, which can create unstable stacks and warehouse safety hazards.
The deep side gussets — the defining structural feature of this format — are reinforced with an additional heat-seal pass at the gusset attachment points. This “double-seal” technique creates seal bond strength approximately 60% higher than single-pass seals at the same point, providing the safety margin needed for the extreme weight and rough handling conditions of bulk distribution.
North Side Of Nanyi Road, Shiwan Town Science And Technology Park (10th Floor, Building 1, No. 13)
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