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TONDO PACKAGING

Custom Poly MailersFlexible Packaging. A Clear Brand Impression.

Flexible printed mailers for suitable soft goods and non-fragile products.

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Custom Poly Mailers illustrative packaging concept

A Compact Format for Suitable Products

Soft goods and other non-fragile products may fit a flexible mailer well. A printed envelope does not provide the crush protection of a rigid package. Sharp edges, fragile bottles, and products that must hold their shape need a different protective system.

Plan the filled shape, closure, and label position together. Compare with Custom Mailer Boxes before choosing solely on the price of an empty bag.

FIND YOUR FORMAT

Choose Features Around the Filled Mailer

Everyday soft goods

Folded apparel and suitable non-fragile goods can be candidates for flexible packaging. Evaluate the product’s filled thickness, edges, and handling needs.

Return-friendly closures

Request a tear strip or second adhesive closure when returns are part of the customer journey. Confirm that the opened bag remains usable for the return.

Printed brand presentation

Specify print position, opacity, and space for the shipping label. Review how folds and a filled product affect the visible design.

MATERIALS & CUSTOMIZATION

Compare the Details of a Custom Printed Shipping Bag

A flexible mailer needs to fit, close securely, and present the order clearly. Compare the filled package using the actual soft goods and inner wrapping that will ship.

Packaging choices and details to confirm
Your choiceWhat it changesWhat to confirm
Material and opacityFilm thickness and opacity affect the feel of the bag and how visible the contents are.Request a sample of the proposed material. Check visibility, handling, and suitability for the product rather than relying on a screen preview.
Closure and openingA single-use closure and a return-ready format serve different customer journeys.Specify any tear strip or second adhesive requirement. Confirm that the selected format supports the opening and return process.
Print area and labelsArtwork needs room to read on a flexible, filled surface.Reserve a practical shipping-label area and keep key brand details away from folds, seams, and the closure.
Material claimsRecycled content and disposal requirements depend on the actual material supplied.Request supporting documentation for any environmental claim. Confirm the wording before printing it on the bag.
Blue, lime and white packaging mailers showing different presentation options
THE COMPLETE PACKOUT

Measure the Filled Product, Not Just the Flat Bag

Width and length alone do not describe the fit of a flexible mailer. Product thickness consumes usable space, and the adhesive flap needs room to close properly. Review a filled sample before committing to a custom size, especially when several items ship together.

  • Include product thickness and any inner wrapping.
  • Distinguish the usable bag dimensions from the closure flap.
  • Check shipping-label placement on the filled package.
Compare structured mailer boxes →
BEFORE PRODUCTION

Questions to Resolve Before Printing

Material

Specify opacity, thickness, and any recycled-content request. Review available documentation for the exact supplied material.

Durability

Assess seams, closure, and puncture risks using the intended contents. Flexible packaging is not a substitute for crush protection.

Customer handling

Check opening effort, return instructions, and whether the proposed closure matches the intended single-use or return workflow.

FROM SAMPLE TO REPEAT ORDERS

A Mailer for Your Everyday Orders

Flat and filled Tondo branded poly mailers with an open adhesive flap

A packout to plan around

For an apparel brand, compare a single folded shirt with the larger two-item order. Include any inner wrap and insert card in both trials. Check that each bag loads easily and seals without strain; a second size may make more sense than forcing every order into one format.

Compare the complete cost

Compare the material, print coverage, order quantity, closure features, packing time, and finished shipment dimensions. Include any inner protection in the comparison. Flexible mailers are a format choice for suitable goods, not a substitute for the rigid protection some products need.

Give the team a clear handoff

Share the product mix, order quantities, folded dimensions, and return requirements with Tondo. When packaging and fulfillment are coordinated, establish which mailer belongs to each order type so the packing team can follow a consistent selection rule.

Specifications That Make the Quote Useful

Decision What to specify
Usable size Width and length of the filled mailer, plus product thickness. Distinguish usable space from flap and seal dimensions.
Film and durability Product weight, puncture risk, opacity requirements, and requested material thickness. Confirm these against a sample.
Closure Single-use adhesive, tear strip, or a second closure for returns, where available for the selected format.
Printing Logo placement, colors, front/back printing, and clear space for the shipping label and barcode.
Quantity and delivery Units per size and artwork version, destination, and target date. Ask about material-specific minimums.

From Artwork to an Approved Packout

1

Define the fit

Share product dimensions, handling needs, quantities, and delivery requirements.

2

Review the options

Compare materials, construction, print placement, and requested finishes.

3

Approve the details

Confirm the final specification, artwork, proof or sample process, and quoted schedule before production.

4

Plan the operation

Coordinate delivery, storage, assembly, and replenishment with your team.

Questions Before You Order

Custom Printed Poly Mailers for Suitable Soft Goods

Custom poly mailers are flexible shipping bags printed with your brand artwork. They can suit apparel, textiles and other non-fragile goods that do not require a rigid outer container. Their flexibility changes how the package fits: the product thickness uses part of the available width and length.

Measure the folded product or complete order, then check the filled mailer rather than relying on flat bag dimensions alone. Include the space needed to load the product and close the adhesive flap. Compare opacity, material thickness, seam and closure requirements, print placement and any return-use needs. A lightweight mailer still needs to protect its contents throughout the intended delivery journey.

Are poly mailers suitable for fragile products?

A flexible bag does not provide the rigid structure or cushioning that a fragile product may need. For glass, crush-sensitive goods or mixed orders, compare a corrugated box and suitable protection. Choose by the finished packout, not by the price of the empty mailer.

How do I choose a poly mailer size?

Use the actual order, including any inner packaging, to evaluate the filled size. Verify how the supplier defines bag dimensions and whether the closure flap is included. Check that the product can be loaded and sealed without stretching or stressing the package.

Can I request a return-ready printed mailer?

Include the return requirement in your inquiry, such as a second closure strip or a specific opening method. Availability depends on the selected format and material. Confirm those features in the specification before approving artwork or production.

Can I print recycling claims on the mailer?

Claims should match the supplied material and applicable local guidance. Confirm supporting information before including disposal instructions in the artwork.

Can I ship several items in one poly mailer?

Only when the combined contents and filled dimensions suit the selected bag. Test the heaviest and bulkiest expected order as part of the fit review.

Are custom poly mailers waterproof?

Water resistance depends on film, seams, and closure. Verify the selected specification and expected conditions before relying on that claim.

Can I request recycled material?

Yes. Describe the material or recycled-content requirement. Availability and supporting documentation must be confirmed for the supplied product.

Can the mailer support returns?

A second adhesive strip or another return feature can be requested. Confirm the closure design and usable dimensions before production.

What is the minimum quantity?

The minimum depends on size, material, print process, and supplier. Send your expected quantity for review.

Helpful packaging guides

Need More Structure? Compare a Mailer Box

Let’s Build Your Packaging Plan

Custom Poly Mailers

Share your product, dimensions, quantity, artwork, and delivery needs. Materials, minimums, sample options, pricing, and timing are confirmed for your project.

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LET’S PLAN YOUR PACKAGING

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