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When it comes to picking towels for a hotel, it’s not just an issue of GSM. However, a heavier towel might be more appropriate for a specific guest room experience and there are other factors such as towel size, fibre content, laundry processes, storage and ordering amounts that will influence which range is appropriate for a hospitality business.
This guide is a comparison of three of the available ranges of bath towel from the Thornton Mills at 420 GSM, 450 GSM and 500 GSM. It outlines the key differences in practice summarises their proven parameters and provides a checklist use by the hotel, guest house, spa and commercial buyer alike.
What does GSM mean in hotel towels?

GSM is a measured by grams per square meter. It measures the amount of matter in the fabric of the towel over an average area. Generally, the higher the GSM, the heavier the fabric per square metre but it is not a guarantee of softness, absorbency, durability or drying speed.
For a meaningful reference, compare GSM with actual size, fibre content, weave or pile structure, treatment and usecase. The smaller towel can be the same GSM as the larger towel, but it may weigh less due to a lower number of fabrics.
Hotel towel comparison: 420 vs 450 vs 500 GSM
| Currently available range | GSM | Size | Listed composition | One carton | Explore product |
|---|---|---|---|---|---|
| Sasanian Eco Leisure Bath Towel | 420 | 65 × 135 cm | 80% cotton / 20% polyester | 60 pieces | Sasanian 420 GSM bath towel |
| Cordoba Bath Towel | 450 | 68 × 137 cm | 100% cotton | 50 pieces | Cordoba 450 GSM bath towel |
| Granada Bath Towel | 500 | 68 × 137 cm | 100% cotton | 30 pieces | Granada 500 GSM bath towel |
Specifications and initial carton quantities above are taken from the currently published Thornton Mills products. Confirm the selected variation’s latest price, stock and carton quantities before ordering.
420 GSM towels: a practical leisure and hospitality option
The Sasanian Eco Leisure Bath Towel — 420 GSM measures 65 × 135 cm and is listed as an 80% cotton / 20% polyester blend. Its published carton selector begins at 60 pieces per carton.
It is a range that can be considered in large towel quantities usage in Gyms, Leisure facilities, Guest accommodation and other frequent use environments. The fabric blend might apply to the business but any information about real speed of drying or quality of the drying should be judged based on samples and the laundry method that will be utilized.
What to check: Does the 65 × 135 cm size meet your guests needs? Is the cotton polyester composition compatible with your requirments and laundry procedure? How many towels do you process between wash cycles?
450 GSM towels: an everyday 100% cotton option
The Cordoba Bath Towel — 450 GSM is listed as 100% cotton and measures 68 × 137 cm. Its published carton options start with 50 pieces per carton.
Cordoba gives hotels and guest houses an option between the 420 GSM and 500 GSM ranges discussed here. Its larger dimensions and different composition mean its total weight and handling may differ from Sasanian Towel.
Before choosing it for every room, test them in each room and after your regular wash and dry cycle and see how it feels and if it works with the towel changing and storage process of your housekeeping staff.
500 GSM towels: a heavier fabric-weight option
The Granada Bath Towel — 500 GSM is listed as 100% cotton, measures 68 × 137 cm and features a diamond-header design. Its published carton selector starts at 30 pieces.
At the same stated 68 × 137 cm dimensions as Cordoba, Granada has a higher fabric mass per square metre. That can be useful when comparing the kind of towel presentation you want in guest bathrooms, but it is still important to evaluate softness, absorbency and handling with physical samples instead of assuming that a higher GSM guarantees better performance.
Granada may be a suitable candidate for a hotel considering a more substantial towel specification. Compare the complete product and your laundry results before ordering for an entire property.
Which GSM is best for your hotel?
There is no single GSM specification that fits every hotel. The better choice is the range that matches your guests, operating conditions and purchasing constraints.
- For gyms and leisure facilities: review Sasanian’s 420 GSM fabric blend and dimensions against frequent towel turnover.
- For everyday guest bathrooms: compare Cordoba 450 GSM with the towels already used in your rooms, including fabric composition and size.
- For a more substantial 100% cotton option: evaluate Granada 500 GSM alongside the 450 GSM Cordoba range using samples.
- For mixed-use properties: you may prefer different specifications for guest rooms, spa areas and fitness facilities rather than one towel for every task.
These are purchasing considerations, not universal standards or guarantees. A small sample order and staff feedback can reveal more than the GSM figure alone.
Don’t overlook towel size and total fabric weight
The three ranges in this guide do not share identical dimensions. Sasanian is 65 × 135 cm, while Cordoba and Granada are 68 × 137 cm. That matters because overall towel weight depends on both area and GSM.
As a simple illustration, a 450 GSM fabric sample measuring one square metre has a fabric mass of approximately 450 grams. A finished towel includes dimensions, hemming and other construction details, so this should not be treated as the guaranteed shipping or finished-product weight.
If you need larger bathroom towels, compare our available wholesale bath sheets as well. The right bath towel and bath sheet sizes should be chosen together when planning a complete hotel linen range.
How GSM affects laundry and stock planning
For a commercial buyer, the initial towel specification is only part of the decision. Your laundering workflow determines how many towels need to be circulating through storage, use, collection, washing and replacement.
Measure your own laundry
Fabric weight, dimensions, fibre mix, wash load and drying conditions can all influence laundry handling. A higher GSM may add fabric mass at the same size, but drying time is not something GSM alone can predict reliably. Compare samples using your actual washing and drying equipment, following the manufacturer’s care instructions.
Calculate the quantity you actually need
Estimate how many guest rooms or service areas need towels each day, then account for towels being used, those in laundering and an appropriate reserve. Your laundry turnaround, occupancy, change policy and replacement rate should inform the total.
For example, if a 20-room guest house supplies two bath towels per room, that represents 40 towels in guest rooms at full allocation. You will need additional towels for laundry turnaround and reserve stock, but the correct reserve depends on your operations rather than a fixed number that fits every property.
Compare carton options, not just unit price
The published one-carton sizes differ from Sasanian 60 pieces, Cordoba 50 pieces and Granada 30 pieces. Each product also offers higher carton tiers. Before ordering, check the total number of towels and applicable price for the selected variation, storage space and delivery requirements.
Hotel towel buying checklist
- Confirm the exact towel dimensions and intended location of use.
- Check the product’s stated GSM and fibre composition.
- Review construction details and care instructions for the selected range.
- Test samples through your normal wash-and-dry process where practical.
- Estimate room allocation, laundry turnaround and replacement reserve.
- Confirm carton quantities, available variations, current stock and pricing.
- Make sure your chosen towel is consistent with related bath sheets, hand towels and bath mats where needed.
Frequently asked questions
Is 500 GSM always better than 450 GSM?
No, 500 GSM means a higher fabric mass per square metre but it is not guarantee a better softness, absorbency, durability or value. it is recommended to compare the full specifications and samples.
Are 420 GSM towels are suitable for hotels?
It all depend on guest expectations, dimensions, fabric composition and laundry requirements. Sasanian is our 420 GSM leisure towel range, see if it’s the right fit for your business.
Does a higher GSM towel always take longer to dry?
Not necessarily, fabric structure, fibre composition, moisture remaining after spinning and drying conditions all affect results. Test the actual towel under your normal laundry conditions.
What is the difference between 420 GSM and 450 GSM?
The GSM difference is 30 grams per square metre of fabric. In the Thornton Mills products compared, there size and composition also differ, so consumer should not assume that GSM is the only difference.
Can hotels buy these towels by the carton?
Yes. The existing product pages for Sasanian, Cordoba and Granada give purchase options in cartons. Please confirm the quantities and applicable prices of each live product selector.
Compare available wholesale hotel towels
If you are ready to compare current options, Our suggestion will be, start with the Sasanian 420 GSM leisure towel or Cordoba 450 GSM cotton bath towel and the Granada 500 GSM cotton bath towel. You can also view our full wholesale bath towel collection.
For a larger commercial requirement or specific questions about dimensions and carton choices, contact Thornton Mills with your property type, estimated quantities and preferred towel specifications.