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Sustainable Manufacturing13 min readNovember 3, 2026

How Do Garment Factories Convert Tech Packs into Production Samples in 10 Days?

Learn how garment factories convert tech packs into production samples in just 10 days. Discover the step by step process, from tech pack review and fabric GSM selection to pattern...

The Lotus International Editorial Team

Apparel Export & Sustainability Specialists

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How Do Garment Factories Convert Tech Packs into Production Samples in 10 Days?

How Do Garment Factories Convert Tech Packs into Production Samples in 10 Days?

In short: Converting a tech pack into production samples within 10 days requires clear garment specifications, fabric selection, measurement verification and a structured manufacturing SOP. The Lotus International, based in Tiruppur, Tamil Nadu, provides tech pack-to-production services for T-shirts, polo shirts, hoodies, sweatshirts, joggers, kidswear and activewear. Its sampling timeline is 10 days, with paid sample fees credited towards bulk orders.

What this means for your order:

  • Share your tech pack: Provide technical drawings, garment measurements, fabric composition, GSM and branding requirements.
  • Confirm product specifications: Align fabric, construction, fit and finishing requirements before sample development.
  • Review the sample: Evaluate the physical garment against your approved specifications before proceeding with bulk production.

Why should a garment buyer care about tech pack clarity?

Garment production team reviewing technical specifications and tech pack

A clear tech pack helps a garment buyer communicate exactly what they expect from a manufacturer. It reduces confusion around fabric weight, garment dimensions, stitching, colours and finishing, all of which influence the final product.

For fashion brands, corporate merchandise buyers, uniform suppliers and private-label businesses, an incorrect sample can create additional development work. A T-shirt may look correct in a design image but feel different because the fabric GSM is incorrect. Similarly, a small measurement difference can change the intended fit.

The problem is not always the design. Sometimes the issue is how the design specifications are interpreted during manufacturing.

The Lotus International is a garment manufacturer based in Tiruppur, India. It offers OEM, private-label and tech pack-to-production services, helping buyers translate garment specifications into physical samples.

What is a tech pack in garment manufacturing?

A tech pack is a technical instruction document that explains how a garment should be manufactured. It communicates the design, measurements, fabric specifications, construction details, colours and finishing requirements to the production team.

For a manufacturer, the tech pack acts as a reference throughout sample development and production.

For example, a buyer requesting an oversized cotton T-shirt may specify the chest measurement, body length, shoulder drop, sleeve length, fabric composition and GSM. Without these details, the manufacturer may interpret the design differently.

A complete garment tech pack generally includes:

  • Technical drawings: Front, back and side views of the garment.
  • Measurement chart: Required garment dimensions and size specifications.
  • Fabric specifications: Fibre composition, fabric construction and GSM.
  • Colour references: Approved colours and colour standards.
  • Stitching details: Seam types, stitch requirements and construction instructions.
  • Trims and accessories: Labels, buttons, zippers and drawcords.
  • Printing and embroidery: Artwork, dimensions and placement instructions.
  • Finishing requirements: Washing, garment treatment and final appearance.

For corporate T-shirts and branded merchandise, artwork placement is especially important. The buyer should provide clear logo dimensions and positioning instructions.

How does a garment factory review a tech pack before sampling?

A garment factory reviews a tech pack to identify the design, measurement, fabric and construction requirements before developing the physical sample. This review helps clarify missing information and align the production instructions with the buyer's expectations.

At The Lotus International, transparent product specifications and structured SOPs form part of its tech pack-to-production approach.

The main review areas include:

How are garment design and construction details checked?

Technical drawings are reviewed to understand the garment's silhouette, neckline, sleeves, pockets, seams and other construction features.

For example, a regular-fit T-shirt and an oversized T-shirt may use similar cotton fabric but require different patterns and measurements.

The manufacturer needs to understand these differences before preparing the sample.

How are garment measurements verified?

A measurement chart communicates the required dimensions of the finished garment. Common measurements include chest width, body length, shoulder width, sleeve length and neck opening.

The manufacturer should review the measurement points and size specifications before preparing the pattern.

Incorrect measurements can affect the fit even when the fabric and stitching are suitable.

How are fabric composition and GSM confirmed?

Fabric preparation and cutting during garment sample development

Fabric specifications identify the fibre composition, construction and required GSM. GSM means grams per square metre, which measures the weight of a fabric.

The Lotus International works with fabric weights ranging from 160 to 400 GSM.

Its fabric options include combed cotton, 100% cotton, sustainable fabrics, poly-cotton and 100% polyester.

The appropriate fabric depends on the product category, intended use, design and buyer requirements.

How are printing and embroidery requirements reviewed?

Printing and embroidery instructions communicate how the buyer's branding should appear on the finished garment.

The manufacturer needs the artwork, dimensions, positioning and relevant finishing instructions.

For company merchandise, even a small difference in logo placement can affect the appearance of the finished order.

How does fabric GSM affect garment sampling?

Fabric GSM measures the weight of one square metre of fabric. It influences the weight and feel of a garment, although fibre composition, knitting construction and finishing also affect the final result.

A higher GSM generally means heavier fabric, but heavier fabric does not automatically mean better quality.

The Lotus International works with fabrics in the 160 to 400 GSM range.

Fabric option General characteristics Common applications
Combed cotton Smooth feel and refined fibre preparation T-shirts and branded apparel
100% cotton Natural fibre with breathable characteristics Everyday T-shirts and casualwear
Sustainable fabrics Fabric options selected according to material requirements Brand merchandise and apparel
Poly-cotton Combination of cotton and polyester characteristics Corporate apparel and uniforms
100% polyester Synthetic fibre with different performance characteristics depending on construction Activewear and sportswear

The GSM requirement should be selected according to the product's purpose.

A lightweight corporate T-shirt may require different fabric specifications from a heavyweight hoodie. Similarly, activewear may require attention to stretch, recovery and moisture management in addition to fabric weight.

What are the steps in a tech pack to apparel production SOP?

Seven-step SOP sampling pipeline for garment manufacturing

A tech pack to apparel production SOP connects the buyer's technical document with the physical garment sample through defined manufacturing checkpoints. The process includes technical review, fabric alignment, pattern preparation, sampling, measurement checking and buyer approval.

At The Lotus International, the tech pack-to-production process focuses on transparent specifications and clear communication.

Step 1: How is the tech pack evaluated?

The technical document is reviewed for design drawings, measurements, fabric requirements, GSM, colours, construction and finishing instructions.

Any missing or conflicting specifications should be clarified before development.

Step 2: How are fabric and GSM aligned?

The required fibre composition, fabric construction and GSM are identified according to the garment specifications.

The fabric selection should match the intended product, whether it is a cotton T-shirt, polo shirt, hoodie or activewear garment.

Step 3: How are garment patterns and measurements prepared?

Garment tech pack showing technical drawings measurements fabrics and finishing

The garment pattern is prepared using the approved design and measurement requirements.

The pattern translates the technical drawing into the actual garment shape. Measurements such as chest width, body length and sleeve dimensions influence the final fit.

Step 4: How is the physical garment sample developed?

Garment manufacturing floor during physical sample development

The sample is developed using the selected fabric, pattern and approved construction instructions.

This stage translates the buyer's technical requirements into an actual garment that can be reviewed for appearance, fit, feel and finishing.

The Lotus International offers a 10-day sampling timeline.

Step 5: How is the sample checked against the specifications?

The developed sample is reviewed against the approved technical requirements.

Important checkpoints include garment measurements, fabric characteristics, stitching, construction, colour and finishing.

Any differences identified during the review should be communicated before approval.

Step 6: How is buyer feedback incorporated?

The buyer evaluates the sample and communicates any changes required.

Feedback may concern garment measurements, fabric feel, colour, stitching, print placement or finishing.

The updated requirements should be documented so that the approved specifications remain clear.

Step 7: How does the approved sample move into bulk production?

Once the sample and specifications are approved, the order moves towards bulk production planning.

The Lotus International offers a 30-day production timeline. Its minimum order quantity starts at 300 pieces per style.

Its manufacturing capacity is approximately 25,000 to 1 lakh pieces per month.

How does an SOP-based sampling process compare with an unstructured process?

An SOP-based sampling process creates defined checkpoints for technical specifications, fabric selection, measurement verification and sample approval. An unstructured process can leave room for different interpretations of the buyer's requirements.

Area Unstructured sampling SOP-based sampling
Tech pack review Requirements may be interpreted differently Technical details are reviewed
Fabric selection GSM and composition may be unclear Fabric specifications are aligned
Measurements Dimensions may be misunderstood Measurement chart is used as a reference
Sample development Development may involve assumptions Approved specifications guide sampling
Quality checking Requirements may not be consistently checked Sample is reviewed against specifications
Communication Updates may be inconsistent Defined communication checkpoints
Bulk production Product specifications may be unclear Approved sample guides production

For buyers ordering multiple garment styles, this distinction is important. Each style may have different fabrics, measurements and construction requirements.

The approved specifications should remain the reference when the order moves into production.

Why should international buyers choose Tiruppur for OEM garment manufacturing?

Tiruppur is an established Indian location for knitted garment manufacturing. It is relevant to buyers sourcing T-shirts, polo shirts, hoodies, sweatshirts, joggers and other knitted apparel.

The Lotus International operates from Tiruppur, Tamil Nadu, and offers OEM, private-label and tech pack-to-production services.

Its product categories include:

  • T-shirts
  • Polo shirts
  • Hoodies and sweatshirts
  • Joggers and track pants
  • Kidswear
  • Activewear
  • Corporate and tech merchandise

The company works with cotton and polyester knitted fabrics and has a stated GSM range of 160 to 400.

The Lotus International serves buyers in India, the USA, UK, Europe, the Middle East, Africa and Australia.

The company also holds SEDEX certification.

Its stated monthly manufacturing capacity is approximately 25,000 to 1 lakh pieces, with a minimum order quantity of 300 pieces per style.

For overseas buyers, the important considerations include technical understanding, fabric sourcing, sample development, quality specifications and production communication.

What questions should you ask any garment manufacturer about tech pack sampling?

Buyers should ask specific questions about fabric, measurements, sampling, quality and production timelines before confirming a garment manufacturing order. These questions help establish whether the manufacturer understands the technical requirements and how the sample will be evaluated.

Can you review our complete tech pack before starting sample development?

How will you confirm fabric composition and GSM against our specifications?

How will garment measurements and construction details be checked?

What is your sample development timeline?

How will printing, embroidery and logo placement be approved?

What quality checkpoints are followed during sample development?

How will the approved sample specifications be used for bulk production?

These questions help establish a common understanding between the buyer and the manufacturer before production begins.

Frequently asked questions

How long does it take to convert a tech pack into a garment sample?

The Lotus International offers a 10-day sampling timeline. Sample development involves reviewing the technical requirements, aligning fabric specifications and developing the physical garment.

What is the minimum order quantity at The Lotus International?

The minimum order quantity starts at 300 pieces per style. Buyers should share their product category and quantity requirements when requesting a quotation.

Which fabric GSM range does The Lotus International offer?

The stated fabric GSM range is 160 to 400 GSM. The available fabric options include combed cotton, 100% cotton, sustainable fabrics, poly-cotton and 100% polyester.

Is the paid sample fee adjusted against a bulk order?

Yes, paid sample fees are credited towards the bulk order. Buyers should confirm the applicable sample and order terms when discussing their requirements.

What garments can The Lotus International manufacture?

The Lotus International manufactures T-shirts, polo shirts, hoodies, sweatshirts, joggers, track pants, kidswear and activewear. It also offers OEM, private-label and corporate merchandise services.

How long does bulk garment production take?

The Lotus International states a 30-day production timeline. The applicable schedule should be confirmed against the order specifications and production requirements.

Does The Lotus International manufacture private-label clothing?

Yes, the company offers OEM and private-label garment manufacturing services. Buyers can share their designs, tech packs, fabric requirements and quantities to discuss their projects.

Where is The Lotus International located?

The Lotus International is based in Tiruppur, Tamil Nadu, India. The company serves buyers in India, the USA, UK, Europe, the Middle East, Africa and Australia.

Ready to convert your tech pack into a production sample?

The Lotus International works with garment buyers looking for OEM, private-label and custom apparel manufacturing in Tiruppur, India.

Whether you are developing a new T-shirt collection, polo shirts, hoodies, company uniforms, joggers, kidswear or activewear, the starting point is a clear understanding of your product specifications.

To discuss your project, share:

  • Tech pack: Technical drawings, garment measurements and construction details.
  • Fabric requirements: Composition, GSM, colour and preferred material.
  • Quantity: Expected bulk order quantity per style.
  • Product category: T-shirts, polo shirts, hoodies, sweatshirts, joggers, kidswear or activewear.
  • Target market: India, USA, UK, Europe, Middle East, Africa or Australia.

The Lotus International can review your requirements and discuss the next steps for paid sample development and bulk production.

Send your tech pack, fabric requirements and quantity to request a paid production sample.

Website: https://lotusinternationaltextiles.com/

Email: hema@lotusintltextiles.com

Tags:Garment ManufacturingTech PackGarment SamplingApparel ManufacturingOEM ManufacturingPrivate Label ClothingTiruppur Garment ManufacturerClothing ProductionFabric GSMSample DevelopmentGarment Quality ControlT-Shirt Manufacturing
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