“Should I go with the Kelly 25 or 28…?”
When choosing your first Kelly, this is a common dilemma many face. While both sizes are popular, the differences go far beyond what you might expect—from visual balance and storage capacity to versatility and even investment value.
In this article, based on the latest information as of 2025, we’ll explain the features and appeal of the Kelly 25 and 28. We'll also cover current trends in colors and materials, as well as how easily each size can be found in official boutiques versus the resale market.
Find the Kelly size that fits your lifestyle perfectly.
The Kelly comes in a wide variety of sizes, from mini to large-capacity models.
Let’s first go over the size lineup and measurements of current models, then take a look at which sizes are most popular in 2025.
Here are the five representative Kelly sizes available today.
Having a list of dimensions and what each can hold makes it easier to visualize what fits your needs.
※Note: Dimensions are for reference only. They may vary depending on material and construction.
Also Recommended Reading: What is the Kelly Bag? A Guide to Its Features, Best Sizes, and How to Choose the Right Series
Among the Kelly lineup, the 25 and 28 are especially popular in Japan.
They fit well with the average Japanese woman's physique and are highly versatile, suitable for both everyday and formal use.
While larger sizes like 28 and 32 are often favored overseas, the 25 remains consistently in demand in Japan for its compact and elegant look.
The Kelly 25 is loved for its compact, refined appearance.
It’s notoriously hard to find in official boutiques and highly sought after in the resale market due to its strong investment value.
※Note: Prices and resale value are based on 2025 estimates and may vary depending on material, color, and condition.
Compact Yet Functional: Though small, it fits all your daily essentials well.
The fact that it can hold a 500ml bottle horizontally makes it extremely practical for everyday use.
The Kelly 25 looks especially balanced when carried by those with an average Japanese height (approx. 158cm) or smaller.
It creates a compact silhouette and still stands out in formal settings.
From light shades to classic tones, a wide range of colors are in demand, making the Kelly bag a key piece in any outfit.
The Kelly 25 holds high investment value and consistently commands strong resale prices.
In the case of popular colors and materials, brand-new to SA-rank items can sometimes sell for about 1.6 to 2 times the retail price.
※Note: Prices are based on 2025 data and may fluctuate.
With a balanced presence and excellent storage capacity, the Kelly 28 is a versatile size perfect for daily use and business.
It has a calm, elegant vibe and is loved by a wide audience.
※Note: Prices are based on 2025 data and may vary by material, color, and condition.
Thanks to its ability to hold a 500ml bottle vertically, items are easy to access even on days when you carry more.
The Kelly 28 is especially recommended for those over 160cm or who enjoy wearing high heels.
Its size creates a balanced silhouette and pairs well with structured outfits like suits or dresses.
Elegant tones and subdued colors are favored, making it a bag you'll love for years to come.
The Kelly 28 also offers strong investment value, with resale prices sometimes exceeding retail.
Brand-new to SA-rank pieces in popular colors and materials can reach around 1.2 to 1.4 times the original price.
※Note: Prices are based on 2025 data and may fluctuate.
Both Kelly 25 and 28 are highly sought-after sizes, but their look and functionality differ more than you might expect.
Here’s a quick comparison across several key points:
※Note: 2025 reference values. Actual prices may vary depending on material, color, and condition.
The Kelly 25 is compact, elegant, and highly valuable—often leading to buyers wanting a second or third.
Meanwhile, the Kelly 28 strikes the perfect balance between size and style, making it a true all-rounder.
Also Recommended Reading: Complete Kelly Resale Guide – Market Prices by Size and Tips for High Appraisals
While the 25 and 28 are the most popular, other sizes also have their unique appeal.
Let’s explore the highly collectible Mini Kelly 2 and the spacious Kelly 32 / 40 models.
To get your hands on a popular Kelly 25 or 28, you have two main options: the official Hermès boutique or the resale market.
Understanding the pros and cons of each can help you make an informed decision.
You can’t just walk in and buy a Kelly bag.
The availability depends on your relationship with the store, and popular sizes/colors are often not shown to first-time visitors.
This system reflects Hermès’ commitment to craftsmanship and selective distribution.
※Note: Prices based on 2025 market and subject to change.
Also Recommended Reading: [2025 Updated] Hermès Kelly Price List – Prices by Size and Material
While the Kelly 25 and 28 are crowd favorites, choosing solely based on popularity can leave you with a bag that doesn’t quite work for your needs.
For long-term satisfaction, it’s important to consider how well the size fits your lifestyle and body type.
Balance with Your Body
Storage Needs
When You’ll Use It
If you're focused on value, Kelly 25 in popular colors/materials tends to retain the highest resale price.
That said, the Kelly 28 also maintains strong demand and can fetch a high resale price if in good condition.
▶︎ Check Kelly Inventory at XIAOMA
▶︎ Try LINE Appraisal to Consult About Upgrading Your Bag
Frequently Asked Questions About Choosing a Kelly Size
We’ve compiled some of the most common questions and answers about selecting the right Kelly bag size. Use this guide to clear up any uncertainties before making your purchase.
A:As of 2025, the Kelly 25 is showing the highest popularity. It’s well-suited to the body frame of many Japanese women, offers a compact and elegant appearance, and retains strong resale value, which makes it an appealing investment.
A:The key differences lie in size impression and storage capacity. The 25 has a smaller, more formal look, while the 28 offers more storage and is easier to use for daily or business occasions.
A:Your choice depends on the style you want to showcase.
A:Its capacity is limited to essentials like a smartphone, compact wallet, and a couple of lipsticks, so it may fall short for daily use. However, it makes a bold statement as a party or special occasion bag.