Bopp Opp Gusset Block Square Bottom Bag
BOPP/OPP block bottom bag is a transparent, food-grade plastic bag with a sealed square bottom that stands upright on shelves or in packaging lines. The bag is made from BOPP or OPP film, offering good seal integrity and moisture resistance for dry food products. It is used to package items like cookies, biscuits, candy, chocolate, and dry confectionery without requiring additional support or secondary packaging.
- Square bottom design allows the bag to stand upright, improving shelf presentation and reducing spillage during handling
- Transparent material lets the product be seen, supporting consumer visibility and brand recognition
- Food-grade BOPP/OPP film provides moisture resistance and anti-pollution protection for dry goods
- Strong seal integrity prevents leakage and maintains product freshness during transit and storage
Include the carton size and the monthly volume and the reply will contain a format recommendation, not just a price.
Key Benefits
- Square bottom design allows the bag to stand upright, improving shelf presentation and reducing spillage during handling
- Transparent material lets the product be seen, supporting consumer visibility and brand recognition
- Food-grade BOPP/OPP film provides moisture resistance and anti-pollution protection for dry goods
- Strong seal integrity prevents leakage and maintains product freshness during transit and storage
- Available in 40 mic thickness or custom thickness to match product weight and handling requirements
- Block bottom construction eliminates the need for separate trays or inserts in retail or distribution
Where It Is Used
- Packaging cookies and biscuits in retail-ready bags for supermarket shelves
- Sealing chocolate bars and candies in individual or multi-packs for e-commerce delivery
- Wrapping dry confectionery and baking spices in lightweight, transparent bags
- Filling bags on a packaging line where upright stability is needed for downstream automation
- Using in food distribution centres where moisture resistance and clean sealing are required
Who It Is For
- Food manufacturers packaging dry snacks, cookies, and confectionery for retail or export
- Bakery producers needing transparent, upright bags for bulk or retail packaging
- E-commerce fulfilment centres packing small food items with consistent presentation
- Contract packers handling high-volume, fast-moving food products with tight seal requirements
- Exporters shipping dry food goods to international markets where packaging integrity is critical
Problems It Solves
- Flat-bottom bags collapse during handling, leading to product spillage and poor shelf appearance
- Non-transparent packaging hides the product, reducing consumer confidence and sales appeal
- Poor seal strength causes leakage during transit, especially in high-volume or long-distance shipping
- Lack of moisture resistance leads to product degradation in humid environments
- Manual filling of loose bags slows down packaging lines and increases labour costs
Technical Features
- Block bottom construction with sealed base for upright stability
- Made from transparent BOPP or OPP film with a thickness of 40 mic or customised
- Food-grade material suitable for direct contact with dry food products
- Good sealing property ensures no leakage during handling and transport
- Moisture resistant and anti-pollution film protects contents from environmental exposure
- Available in special sizes to match unique product dimensions and packaging needs
Published Data for Bopp Opp Gusset Block Square Bottom Bag
Only values published on our own datasheets appear here. If a figure you need is missing, ask for it and we will confirm it in writing.
| Product | BOPP/OPP Block Bottom Bag |
|---|---|
| Material | BOPP/OPP/PP |
| Thickness | 40 mic or custom |
| Colour | Transparent |
| Usage | Candy, chocolate, cookies, biscuits, bakery, dry confectionery |
| Feature | Food grade, good sealing, moisture resistance, anti-pollution |
Materials
- BOPP/OPP film with food-grade certification for dry food contact
- PP film available as an alternative for specific sealing or durability needs
- No recycled content in the film layer to maintain seal integrity and clarity
How It Is Made
Film extrusion from virgin BOPP or OPP resin
Film orientation to improve strength and clarity
Block bottom sealing using heat and pressure to form the base
Cutting to specified dimensions and size formats
Final inspection of seal strength and transparency before packing
How It Is Checked
Incoming resin checked for 100% virgin material before processing
Seal strength tested on a sample batch to ensure no leakage under pressure
Visual inspection for clarity, thickness uniformity, and seal defects
Final bag tested for moisture resistance and anti-pollution performance
Cartons checked at container loading against the packing list
Customisation Options
- Custom thickness from 40 mic upwards based on product weight and handling
- Custom bag size and shape to fit specific product dimensions
- Logo or brand printing on the film using in-house printing line
- PP film option available for higher durability or specific sealing needs
How It Compares With the Alternatives
Where another material is the better answer we say so, because a returned shipment costs more than a lost order.
| Flat-bottom plastic bags | Block bottom bags stand upright, reducing spillage and improving shelf presentation |
|---|---|
| Paper bags | BOPP/OPP bags offer better moisture resistance and transparency for dry food products |
| Flexible pouches with zip lock | Block bottom bags are simpler to produce and seal, with lower cost for high-volume use |
| Pre-formed plastic trays | Bags are lighter, use less material, and reduce packaging waste compared to rigid trays |
How to Use It
Load the bag into the packaging machine or use manually for small batches
Ensure the block bottom is fully sealed before filling to prevent leakage
Fill the bag with product, leaving space for proper sealing at the top
Seal the top with heat or pressure, depending on the machine type
Store unused bags flat and away from direct heat or UV exposure
Bopp Opp Gusset Block Square Bottom Bag in Detail
Photographs of the actual product as supplied, not renders.
Bopp Opp Gusset Block Square Bottom Bag Questions
What is the minimum order quantity for BOPP block bottom bags
Order quantity depends on size, thickness, and material. Send your required dimensions and monthly volume via WhatsApp and we will confirm the minimum for that specification.
Can you make custom sizes for my product
Yes, we supply special sizes to match your product dimensions. Provide the required width, height, and gusset size and we will confirm feasibility.
Is the film food grade and safe for direct contact
Yes, the BOPP/OPP film used is food-grade and safe for direct contact with dry food products like cookies, candy, and spices.
What thickness options are available
Standard thickness is 40 mic. Custom thicknesses are available upon request. Send your requirements via WhatsApp.
Can you print my logo on the bag
Yes, we print on our own film printing line. Send your artwork and the bag width needed for confirmation.
Other Plastic Bag Items
Same production line, different format. Compare before you settle the specification.
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Quote Bopp Opp Gusset Block Square Bottom Bag for Your Next Shipment
Tell us the quantity, the destination port and the specification you need. We will confirm what runs, what is stock and what fits in a container.