Square Jar — packaging format from CosunPack
CS-0113

Square Jar

Square Jar: Plastic packaging with resin, mold, decoration, and closure options coordinated through our equity-partnered production lines. Confirm compatibility with your formulation and dispensing needs.

Product Highlights

  • Resin grade and PCR content confirmed for the intended product and market
  • Consistent neck finishes fit standard pumps, caps, and sprayers
  • Decoration: silk screen, hot stamp, heat transfer, coating
  • Dimensions and any drop-test requirements agreed against the mold specification
  • PCR options reviewed for the selected resin, application, and available documentation
  • Color matched to Pantone or your physical sample
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Craftsmanship & Production

Production steps and quality checks for this packaging format, coordinated across our printing workshops and specialized production network.

Formed on specialized equity-partnered plastic container lines in the Pearl River Delta, then trimmed, decorated, and checked for wall consistency and closure fit under our unified QC requirements.

Customization Options

Review the available options for Square Jar with our team. These are the requirements to confirm:

  • Resin (PET / HDPE / PP / PCR)
  • Capacity & mold
  • Neck finish & closure
  • Decoration methods
  • Color matching (Pantone)

Specification Planning — Square Jar

Review these material and process options for the selected structure. Your quotation confirms the exact specification for your project.

MaterialPET / HDPE / PP and other specified resins; grade and recycled content confirmed per project
StructureSquare Jar
Size RangeDimensions or capacity confirmed against your product and selected tooling
ThicknessMaterial thickness or weight confirmed in the approved specification
PrintingSilk screen, hot stamping, heat transfer, spray coating
FinishingFrosting, soft-touch, metallized caps, color matching
MOQQuoted per material, structure, print process, and order quantity
Sampling Lead TimeConfirmed after the artwork, structure, and tooling review
Production Lead TimeConfirmed after sample approval and production planning
Typical ApplicationsSkincare, personal care, food, supplements

Options shown for planning; final parameters are agreed in writing with your quotation and approved sample.

Before You Order

Square Jar FAQ

Practical answers on choosing the structure, avoiding common problems, and confirming the right specification for your product.

What should I evaluate in the square plastic jar's internal corners?

Trial product removal using the intended finger, spatula, or scoop, checking residue at the corners and base. Confirm the internal profile rather than assuming it matches the outer square shape. Use that review to choose depth and mouth size before approving nominal capacity.

Technical references
Can a round lid provide a flush look on the square body?

Review the assembled drawing and sample for cap skirt clearance, corner projection, and the intended appearance. Then confirm the actual finish and sealing surfaces. A visually coordinated lid still needs its own fit and compatibility approval with the selected jar and formula.

Technical references
How should front-panel artwork be positioned on a square jar?

Ask for the selected mold's usable print or label area, including corner transitions and any parting line. Approve artwork on physical samples with the lid installed. Compare single-face labels and wraps based on readability and handling results for the actual shape.

Technical references
What do I need to approve a recycled-resin square jar?

Request the proposed resin grade, PCR content, sourcing documentation, and intended-use limitations. Evaluate representative filled samples for appearance, panel shape, closure fit, and formula compatibility. For food applications, confirm documentation covers the actual recycling process and contact conditions before approving the material.

Technical references

Have a different application? Share your requirements for this model.

One Partner for Your Complete Packaging

Source packaging from China with one team, from product-led development to delivery. Share your product or idea, component list, quantity, and destination—we will help define the next steps.

Project-specific quotationNDA available before file sharingReply target: one business day