Birkin 25

The Birkin 25 is the smallest of the Birkin family and arguably the most refined. Introduced as a smaller alternative to the classic 30 and 35, the 25 has since become one of Hermès's most sought-after sizes — small enough for evening, structured enough for daily use, and rare enough on the resale market that condition matters more than any other factor in its value.

Because the 25 is compact, its interior cavity is narrow — and that's exactly why storage is trickier than it looks. Generic pillow inserts made for larger bags will over-stretch the front and back panels; an insert too small leaves the leather unsupported and prone to caving. This guide covers everything you need to store, protect, and preserve a Birkin 25 for decades.