The Encyclopedia of Hermès Bag Sizes

Volume III of PurseBop’s Hermès Encyclopedia Series

If there’s one thing we’ve nailed, it’s Hermès facts. We’ve piled them up over the years, broadening our base of Hermès knowledge. At PurseBop, we not only like to buy, wear, and show off our Birkins, Kellys, and Constances, but also to know everything there is to know about them. We’re information gatherers, and there’s nothing we love more than to share that information with you.

Enter this encyclopedia. We’ve done them before, but this is an updated version of a very special one: The Encyclopedia of Hermès Bag Sizes. Perhaps our readers’ favorite topic on the site is handbag size. We weigh and compare, discuss and mull to no end. Now, we’ve compiled a reference guide for everything we know (and everything we want you to know) on H bag sizes. Read on!


An in-depth evaluation of the three most popular Birkin sizes—the 25, 30 and 35—with clear photo comparisons of length, width, and height.

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In one of our most popular posts of all time, PurseBop team members of different body shapes model the Birkin 25, 30 and 35. See the bags from various angles “in real life” and get a better sense of what your future Birkin might look like on you!

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The most essential Kelly knowledge lies in this encyclopedia, one of our PurseBop classics. Aside from general knowledge, the guide includes a must-read chapter on Kelly sizes.

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Ah, the return of the beloved Mini Kelly 20. The Mini Kelly 20 II, slightly different in shape from the original version, was released to much praise in 2016. If you’re considering ultra-mini, look no further—though they might be hard to get your hands on.

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In our go-to article for information on the Constance, we include all the basics on sizing. For comparison, feel, etc., check out our Constance class.

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In this feature, @el4bz, “eternalove4bags,” compares the two most desirable Constance sizes: the 18 and 24. She discusses the 4 c’s: capacity, convenience, chicness, and cost. The article ends with testimonials on the bags from some of the fashionistas in our community. An absolute must-read.

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How can something so small create such a big stir? That’s the question this post investigates. Here, we explore the mini phenomenon as it pertains to Hermès. Hint: Hermès is NO exception to the explosive trend.

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The sequel to the previous article. After further investigation into the mini H trend, we figured we’d share our research in a useful reference guide. The result? Everything we know to date about mini H bags with lots of eye candy for reference and inspiration, of course.

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Our most recent post on Hermès bag sizes. Want to learn why the H mini trend isn’t going anywhere? Read on.

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WARNING: Before you go completely mini, consider this advice… “bag size is just a cyclical trend.” PurseBop answers Q&As on H bag size in this post.

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We hope this has helped you out as you navigate your Hermès journey! Just a few things to remember: bags of the same width (e.g. the K25 and B25) don’t always feel the same. We often find that the Kelly feels smaller; the K35, for instance, seems closer to a B30. Before a major purchase, it’s best to hold different sized bags yourself if possible—as always, there’s nothing like the real thing.

Stay tuned for the next volume of the Hermès Encyclopedia! In the meantime, catch up on the other volumes and Hermès news below.

Read related articles:

Hermès Remains Popular as Ever with Continued Company Growth
Hermès 101: Origins, Equestrians, and Aristocrats
Hermès Encyclopedia Volume I: New System in Paris to Buy a Bag
Hermès Encyclopedia Volume II

Love, PurseBop

Published: March 11th, 2019
Updated: March 11th, 2019

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