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- Low Minimums of 100 Boxes
- Free Die and Plates
- Competitive Pricing
- Customized Sizes & Styles
- Fast Turnaround Times
- High Quality Offset Printing
- Free Design Support
- Free Shipping
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Custom PET square bottles pack tighter, label flatter, and sit more confidently on a shelf than round ones. For brands that want maximum label real estate and a retail footprint that works harder for them, the PET square format is a genuinely smart choice.
Round bottles have spaces between them on a shelf. These spaces are shaped like triangles. Square bottles do not have these spaces.
When you put PET bottles next to each other they touch. This means you can put square bottles on the same shelf. You can also pack square bottles into a case. This makes shipping cheaper. The bottles look neat. Organized on the shelf.
Square bottles provide a clean, flat label surface that allows precise application without wrinkles, curvature issues, or design distortion. Brands with detailed artwork, nutritional information, or product photography achieve consistent labeling across every unit.
PET square bottles offer glass-like clarity with flat panels that showcase the product inside. This makes them ideal for colored sauces, specialty oils, premium condiments, and personal care products where visual appeal influences buying decisions.
PET square bottles are the format of choice for specialty food brands across hot sauces, artisan vinegars, flavored oils, syrups, bitters, tonics, and premium condiments. Brands also use PET square bottles for personal care products such as toners, serums, and treatment liquids because the flat panels create a clinical and precise brand aesthetic. The square format communicates intentionality. It tells buyers the brand made a considered packaging decision, which is itself a quality signal.
Custom PET square bottles are available with standard neck finishes compatible with disc tops, lotion pumps, dropper assemblies, dasher tops for sauce dispensing, and standard screw caps. The right closure for a square bottle depends on the product viscosity, the intended dispensing experience, and the retail context. We advise on the closure combination that best serves each product’s specific use case.
Square bottles pack without gaps, allowing brands to fit more units into the same case dimensions compared to round bottles. Higher case quantities mean fewer cases per shipment, lower freight costs per unit, and more efficient warehouse storage. For brands at volume, the logistics efficiency of a square bottle format translates directly into reduced operational costs across the supply chain.
Additionally, we provide precise label panel dimensions for every PET square bottle format, including front, back, and side panel measurements. As a result, brands can maximize label space for front-facing branding, compliance details, and ingredient information across the four flat panels.
Why are PET square bottles called French squares?
The French square is a classic pharmaceutical and specialty food bottle format that dates back many decades. The term refers to the square cross-section profile that gives the bottle its distinctive shape and shelf-packing advantage.
What products are best suited to PET square bottles?
Hot sauces, artisan vinegars, flavored oils, syrups, bitters, premium condiments, toners, and treatment serums are all well-suited to the PET square format.
What is the minimum order quantity?
The minimum order is 1000 units. Request your quote today.
How quickly are custom PET square bottles produced?
We produce and deliver most custom PET square bottle orders within 10–12 days after artwork approval, with free US shipping included.
What closure types are compatible with PET square bottles?
Disc tops, lotion pumps, dropper assemblies, dasher tops, and standard screw caps are all available depending on the neck finish specification.
CMYK, PMS, No Printing
10pt to 28pt (60lb to 400lb) Eco-Friendly Kraft, E-flute Corrugated, Bux Board, Cardstock
100 – 500,000
Gloss, Matte, Spot UV
Die Cutting, Gluing, Scoring, Perforation
Custom Window Cut Out, Gold/Silver Foiling, Embossing, Raised Ink, PVC Sheet.
Flat View, 3D Mock-up, Physical Sampling (On request)
6-8 Business Days, Rush
We have a wide range of boxes, select one or write for others.
Complete our quote form to receive a customized quote from our product specialists.
After getting the awesome price, just say print it!
We will help you with completely custom dielines according to your needs
Collaborate with our design experts for you top notch artwork
We will send you 3D mockups of your print ready packaging
After approving everything, sit back and relax, while we produce

Indicates the cut at its final size. Important artwork and text should be placed at least 0.125 inches inside of the cut line.

Perforation line refers to paper that is punched with very small holes to allow the paper to be torn and folded easily.

Indicates where the bleed line is located. Any artwork which goes to the cut line should be extended to the bleed line to get a seamless print.

Indicates where the product is to be folded.

Indicates where artwork and text should safely be placed inside. As an industry standard, all artwork should at least be placed 0.125 inches away from the cut line unless your design is intentional.
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i Box Factory transformed our bakery’s packaging with their custom boxes. They’re not only beautiful but also durable, keeping our pastries fresh. We've received so many compliments from our customers. The team’s attention to detail and service were outstanding!
i Box Factory provided us with top-quality packaging for our medical products. Their precision and adherence to regulatory standards were impressive. The team’s expertise and efficiency ensured everything was perfect. We’re very satisfied and recommend them highly!
The custom packaging from i Box Factory elevated our boutique’s image. The boxes are chic and perfectly match our brand’s style. The entire process was seamless, and our customers are impressed with the new look. We’re thrilled with the results!
Contact us to make your brand stand out in the competitive market with flawless custom printed boxes