Aug 1, 2026Blog
Why Suppliers Can't Give an Accurate Kraft Paper Bag Quote Without GSM
Learn why specifying GSM is essential for accurate kraft paper bag quotes. Avoid higher costs, unnecessary shipping fees, and misleading supplier price comparisons.
Why Suppliers Can't Give an Accurate Kraft Paper Bag Quote Without GSM
If you've ever requested quotations for custom kraft paper bags, you may have noticed something confusing.
You send exactly the same inquiry to several suppliers.
A few days later, you receive completely different prices.
Naturally, you ask yourself:
"Why is there such a big price difference?"
In many cases, the answer isn't the supplier.
It's the paper weight (GSM).
One of the most common inquiries we receive simply includes:
- Bag size
- Quantity
- Printing artwork
But one important specification is often missing:
The paper weight (GSM).
Although it may seem like a small detail, GSM directly affects material cost, bag strength, shipping weight, and ultimately the quotation.
Without knowing the GSM, no supplier can provide a truly accurate quotation.
A Real Example from One of Our Recent Quotations
Recently, a customer asked us to quote a batch of custom kraft paper bags.
The inquiry included the bag size, quantity, and artwork, but it didn't specify the paper weight.
Instead of preparing a quotation immediately, we asked one simple question:
"What product will the bag be used for?"
The customer explained that the bags would be used for lightweight clothing.
Based on that information, we recommended 120gsm kraft paper instead of 180gsm.
The customer was initially surprised that we didn't recommend the thicker paper.
After discussing the carrying weight, material strength, shipping costs, and overall application, they realized that 120gsm was already more than sufficient.
As a result, the customer received:
- A lower unit price
- Lower shipping costs
- Packaging that fully met their quality requirements
- A quotation based on the actual application instead of assumptions
That conversation reinforced something we see almost every week:
The best packaging solution isn't always the thickest one. It's the one that fits the product.
Why GSM Matters More Than Most Buyers Realize
GSM stands for grams per square meter.
For kraft paper bags, two of the most commonly used paper weights are:
- 120gsm
- 180gsm
Although they may look similar in photos, they are different products.
Higher GSM means:
- More paper
- Higher material costs
- Stronger bags
- Heavier shipping weight
Selecting the right GSM is about choosing the most suitable paper for your product—not automatically choosing the thickest option.
Why Every Supplier May Quote a Different Price
When GSM isn't specified, suppliers have to make assumptions.
For example:
Supplier A may quote 120gsm.
Supplier B may quote 180gsm.
Supplier C may choose another specification based on previous experience.
Each quotation may be technically correct.
However, they are not quoting the same product.
This is why comparing prices without confirming the paper specifications is often misleading.
Why Suppliers Often Quote Higher GSM
From a supplier's perspective, recommending a thicker paper is usually the safer choice.
If the paper is too thin, customers may later complain that the bags feel weak.
To avoid quality disputes, some suppliers automatically choose a higher GSM.
While this reduces their risk, it also increases your costs.
Higher GSM generally means:
- Higher material costs
- Higher unit prices
- Higher shipping costs
- Higher overall packaging costs
In other words, buyers sometimes pay more simply because the paper weight was never specified.
A Higher GSM Isn't Always Better
Many buyers assume that thicker paper automatically means better quality.
In reality, the correct GSM depends on what the bag is designed to carry.
For example:
120gsm is commonly suitable for:
- Clothing
- T-shirts
- Cosmetics
- Fashion accessories
- Lightweight retail products
180gsm is commonly recommended for:
- Shoes
- Wine bottles
- Heavy gift items
- Premium retail packaging
Choosing a higher GSM than necessary doesn't always improve the customer experience—it often just increases costs.
What Information Should Buyers Include in an Inquiry?
To receive an accurate quotation, try to provide more than just the bag dimensions.
A complete inquiry should include:
- Bag dimensions
- Quantity
- Product weight
- Preferred GSM (if known)
- White or brown kraft paper
- Handle type
- Printing colors
- Surface finishing
- Special requirements
Even if you don't know the correct GSM, simply telling your supplier what product the bag will carry allows them to recommend the most suitable specification.
Better Specifications Lead to Better Quotations
A good quotation isn't simply the lowest price.
It's a quotation based on the correct specifications.
When every supplier quotes the same:
- GSM
- Paper material
- Printing
- Finishing
buyers can compare prices fairly and make better purchasing decisions.
Clear specifications also reduce misunderstandings, avoid unnecessary revisions, and speed up the quotation process.
Final Thoughts
Paper weight may seem like a small detail.
But when requesting quotations for custom kraft paper bags, it can make a significant difference.
If the GSM isn't specified, suppliers have no choice but to make assumptions.
Those assumptions often lead to different quotations, higher costs, and confusion during supplier comparison.
Before comparing prices, make sure every supplier is quoting the same specifications.
Sometimes, one simple detail is the difference between an accurate quotation and an expensive mistake.
Need Help Choosing the Right GSM?
Not sure whether 120gsm or 180gsm is the right choice?
Tell us:
- What product the bag will carry
- Approximate product weight
- Bag dimensions
- Your brand positioning
- Your budget
Our packaging specialists will recommend the most suitable paper weight before preparing your quotation, helping you compare suppliers more accurately and avoid paying for unnecessary material.