Packaging materials & finished packs · One point of contact

ABOUT CALTROS

Materials. Packaging. Connected.

Production experience and sourcing resources, brought together around your packaging requirements.

OUR POSITIONING

One conversation. A connected packaging brief.

Caltros combines production experience with trading resources across flexible packaging, paper packaging and woven bags. Your project requirements guide the materials, customization and supply options we discuss.

  • Materials & finished packaging
  • Production experience & sourcing resources

WHAT WE DO

From material choices to packaging formats.

Flexible Films

BOPP, CPP, BOPA, BOPET and specialty films, selected around the intended application.

Finished Packaging

Printed rollstock, pouches and bags, alongside paper cups, bags and boxes.

Woven Bags

PP woven bags for cement, building materials and chemicals.

Global Support

Sourcing and supply coordination shaped by your destination and delivery requirements.

Flexible packaging production workshop (illustrative)

CORE CAPABILITIES

Bring the details into focus.

Production
Bring production considerations into the brief: material structure, packaging format and specifications.
Sourcing
Connect your material requirements with supply options. Films are supplied through partner suppliers; the grade is confirmed with the quotation.
Customization
Discuss dimensions, printing, artwork and sample requirements for your selected packaging format.
Supply & Delivery
Coordinate the specification, inspection, packing and transport requirements as part of supply planning.

WHY CALTROS

A working approach that connects the decisions.

Materials in context

Consider the material together with the packaging format and intended use, rather than as an isolated specification.

Customization with a brief

Put dimensions, printing and sample requirements into the same conversation so the details can be reviewed together.

Connected supply planning

Bring production considerations and sourcing options into the project discussion before confirming the order.

One point of contact

Discuss materials, finished packaging and delivery requirements through a shared project brief.

HOW WE WORK

From the first question to a defined supply plan.

Each stage adds detail to the same packaging brief.

  1. Understand the application

    Share the contents, intended use, quantity and destination. Include initial dimensions or material requirements, and note what is still undecided.

  2. Define the packaging

    Discuss the material, format, printing and artwork. Set out any sample requirements and the specifications that need confirmation.

  3. Confirm the arrangements

    Review the specification and quotation together, then confirm the order and production arrangements.

  4. Plan the delivery

    Confirm inspection, packing and transport requirements so they form part of the delivery discussion.

PARTNERSHIP SUPPORT

Keep the whole project in view.

Materials and finished packs involve connected choices. We bring those choices into a shared discussion around your requirements.

Production
Packaging specifications and production considerations.
Trading
Material sourcing and partner supply options.
Customization
Dimensions, printing and sample requirements.
Supply Chain
Inspection, packing and transport coordination.
Quality check of printed packaging samples (illustrative)

QUALITY PREVIEW

Documentation belongs in the discussion.

Explore quality documentation

Quality Control

Discuss the specification and inspection requirements for your project.

Technical Support

Match supplier documentation to the relevant material, grade and application.

Reliable Delivery

Clarify packing and transport requirements during supply planning.

Frequently Asked Questions

What information should I include when requesting a quote?

Please share the contents and intended application, the dimensions, material or packaging format, and the quantity and delivery destination. Any specifications you already have are helpful — you can also tell us what still needs to be discussed.

How does Caltros work with a new customer?

We start by understanding the application, then define the packaging (material, format and specification), confirm the commercial and logistics arrangements, and plan the delivery.

Can printing or packaging be customized?

Yes. For customization we discuss dimensions, printing and sample requirements as part of the project.

Does Caltros help with quality and technical documentation?

Yes. We discuss the specification and inspection requirements for your project, and match supplier documentation to the relevant material, grade and application.

How are delivery and logistics handled?

Packing and transport requirements are clarified during supply planning, and inspection, packing and transport are coordinated as part of the supply chain process.

How quickly does Caltros respond to an inquiry?

We're available Monday–Friday, 9 AM–6 PM (GMT+8), and aim to respond within 24 hours of your inquiry.

What information do you need to give an accurate quote?

To quote accurately we need: bag/pouch style, material and thickness, any additional processes, dimensions, quantity, and design/artwork. If you're not sure about a detail yet, you can leave it blank — this is only the starting information, and we'll refine it together in follow-up discussion to reach the final production requirements and the most accurate cost.

Is there a minimum order quantity (MOQ)?

We don't set a fixed MOQ — pricing is quoted per order. Finished packaging can be ordered from 1 piece, and film rolls from 1 kg. For a more cost-effective unit price, finished packaging orders of 10,000+ pieces and film roll orders of 300 kg+ generally offer better pricing — the smaller the quantity, the higher the unit price, and vice versa.

How long does production take?

Lead time does not include shipping time. For gravure printing, delivery is typically 10–15 days after the final design is confirmed. For digital printing, delivery is typically around 10 days after final design confirmation, since no plate-making step is needed. Larger quantities or more complex processes may need additional time to confirm.

What's the difference between digital printing and gravure printing, and which should I choose?

The two differ mainly in printing method. Digital printing avoids plate-making costs, so it suits small orders — generally up to about 4,000 pieces for standard pouch styles, beyond which gravure becomes more cost-effective. Digital ink is thinner with a lighter printed feel, cannot reproduce spot colors directly, has more variation in color consistency, and is not suitable for high-temperature or retort applications. Gravure uses thicker ink for a richer printed feel, reproduces spot colors (including metallic and pearlescent inks) with high accuracy and consistency, and is the standard choice for retort/high-temperature products.

Will I receive exactly the quantity I ordered?

Production always includes a small over/under quantity tolerance rather than an exact match, because extra material is needed to guarantee the ordered quantity. Typical tolerances are around ±20% for orders under 10,000 pieces and ±5–10% for larger orders. You can choose to accept either direction of variance, or request no shortfall (a price premium may then apply). Just let us know the quantity you need — we take both large and small orders.

Why does the printed color look different from what I see on screen?

Screens display color as combinations of red, green and blue light, which varies between devices and lighting conditions. Printing uses CMYK ink, which has a different color range than screen light. Printed color should not be judged against a screen or a printed sample photo — please refer to CMYK values and compare against a physical printed color swatch.

Can you provide carton dimensions, weight and packing quantity in advance?

For custom flexible packaging, these figures can't be provided in advance, because every order's size, thickness and pouch style is different, which affects carton dimensions and weight. We can estimate bag weight, but not volume. Carton specifications are finalized and measured after production, once cartons are custom-made for that order.

Are sampling fees, plate/mold fees or machine setup fees refundable?

These fees are non-refundable. Sampling follows the same process steps as bulk production, so it carries the same cost. Plate/mold fees are charged at actual cost and are not charged again on repeat orders as long as the size and content aren't changed. Setup fees apply because small quantities don't generate enough margin to cover equipment use and material adjustment costs on their own.

Let’s start with your packaging brief.

Tell us the product, specifications, quantity and destination. Include any details still to be decided.

Share your requirements

ABOUT CALTROS

About Caltros

Production experience and sourcing resources, brought together around your packaging requirements.

Share your requirements

Who We Are

Caltros combines production experience with trading resources across flexible packaging, paper packaging and woven bags. Your project requirements guide the materials, customization and supply options we discuss.

Business Range

Flexible Films
BOPP, CPP, BOPA, BOPET and specialty films, selected around the intended application.
Finished Packaging
Printed rollstock, pouches and bags, alongside paper cups, bags and boxes.
Woven Bags
PP woven bags for cement, building materials and chemicals.
Global Support
Sourcing and supply coordination shaped by your destination and delivery requirements.

Core Capabilities

Core Capabilities
CapabilityProject considerations
ProductionBring production considerations into the brief: material structure, packaging format and specifications.
SourcingConnect your material requirements with supply options. Films are supplied through partner suppliers; the grade is confirmed with the quotation.
CustomizationDiscuss dimensions, printing, artwork and sample requirements for your selected packaging format.
Supply & DeliveryCoordinate the specification, inspection, packing and transport requirements as part of supply planning.

How We Work

  1. Understand the application

    Share the contents, intended use, quantity and destination. Include initial dimensions or material requirements, and note what is still undecided.

  2. Define the packaging

    Discuss the material, format, printing and artwork. Set out any sample requirements and the specifications that need confirmation.

  3. Confirm the arrangements

    Review the specification and quotation together, then confirm the order and production arrangements.

  4. Plan the delivery

    Confirm inspection, packing and transport requirements so they form part of the delivery discussion.

Quality & Support

Quality Control
Discuss the specification and inspection requirements for your project.
Technical Support
Match supplier documentation to the relevant material, grade and application.
Reliable Delivery
Clarify packing and transport requirements during supply planning.
Explore quality documentation

Frequently Asked Questions

What information should I include when requesting a quote?

Please share the contents and intended application, the dimensions, material or packaging format, and the quantity and delivery destination. Any specifications you already have are helpful — you can also tell us what still needs to be discussed.

How does Caltros work with a new customer?

We start by understanding the application, then define the packaging (material, format and specification), confirm the commercial and logistics arrangements, and plan the delivery.

Can printing or packaging be customized?

Yes. For customization we discuss dimensions, printing and sample requirements as part of the project.

Does Caltros help with quality and technical documentation?

Yes. We discuss the specification and inspection requirements for your project, and match supplier documentation to the relevant material, grade and application.

How are delivery and logistics handled?

Packing and transport requirements are clarified during supply planning, and inspection, packing and transport are coordinated as part of the supply chain process.

How quickly does Caltros respond to an inquiry?

We're available Monday–Friday, 9 AM–6 PM (GMT+8), and aim to respond within 24 hours of your inquiry.

What information do you need to give an accurate quote?

To quote accurately we need: bag/pouch style, material and thickness, any additional processes, dimensions, quantity, and design/artwork. If you're not sure about a detail yet, you can leave it blank — this is only the starting information, and we'll refine it together in follow-up discussion to reach the final production requirements and the most accurate cost.

Is there a minimum order quantity (MOQ)?

We don't set a fixed MOQ — pricing is quoted per order. Finished packaging can be ordered from 1 piece, and film rolls from 1 kg. For a more cost-effective unit price, finished packaging orders of 10,000+ pieces and film roll orders of 300 kg+ generally offer better pricing — the smaller the quantity, the higher the unit price, and vice versa.

How long does production take?

Lead time does not include shipping time. For gravure printing, delivery is typically 10–15 days after the final design is confirmed. For digital printing, delivery is typically around 10 days after final design confirmation, since no plate-making step is needed. Larger quantities or more complex processes may need additional time to confirm.

What's the difference between digital printing and gravure printing, and which should I choose?

The two differ mainly in printing method. Digital printing avoids plate-making costs, so it suits small orders — generally up to about 4,000 pieces for standard pouch styles, beyond which gravure becomes more cost-effective. Digital ink is thinner with a lighter printed feel, cannot reproduce spot colors directly, has more variation in color consistency, and is not suitable for high-temperature or retort applications. Gravure uses thicker ink for a richer printed feel, reproduces spot colors (including metallic and pearlescent inks) with high accuracy and consistency, and is the standard choice for retort/high-temperature products.

Will I receive exactly the quantity I ordered?

Production always includes a small over/under quantity tolerance rather than an exact match, because extra material is needed to guarantee the ordered quantity. Typical tolerances are around ±20% for orders under 10,000 pieces and ±5–10% for larger orders. You can choose to accept either direction of variance, or request no shortfall (a price premium may then apply). Just let us know the quantity you need — we take both large and small orders.

Why does the printed color look different from what I see on screen?

Screens display color as combinations of red, green and blue light, which varies between devices and lighting conditions. Printing uses CMYK ink, which has a different color range than screen light. Printed color should not be judged against a screen or a printed sample photo — please refer to CMYK values and compare against a physical printed color swatch.

Can you provide carton dimensions, weight and packing quantity in advance?

For custom flexible packaging, these figures can't be provided in advance, because every order's size, thickness and pouch style is different, which affects carton dimensions and weight. We can estimate bag weight, but not volume. Carton specifications are finalized and measured after production, once cartons are custom-made for that order.

Are sampling fees, plate/mold fees or machine setup fees refundable?

These fees are non-refundable. Sampling follows the same process steps as bulk production, so it carries the same cost. Plate/mold fees are charged at actual cost and are not charged again on repeat orders as long as the size and content aren't changed. Setup fees apply because small quantities don't generate enough margin to cover equipment use and material adjustment costs on their own.

Let’s start with your packaging brief.

Tell us the product, specifications, quantity and destination. Include any details still to be decided.

Share your requirements