Pre-Loved Saint Laurent Envelope
The quilted chain bag that channels Chanel-level polish.
The Saint Laurent Envelope (from the Cassandre line) is a structured, quilted flap bag with the interlocking YSL logo and a sliding chain-and-leather strap. It offers classic French elegance at a more accessible price than its heritage rivals.
The edit — 117 pieces











































![Saint Laurent Envelope Chain Shoulder Bag Small 600195 154781292 [U]](https://i.ebayimg.com/images/g/1kIAAeSwTnJqTtXD/s-l1600.jpg)




![Saint Laurent Envelope Small Chain Shoulder Crossbody Bag 600195 155912957 [U]](https://i.ebayimg.com/images/g/z74AAeSwvA9qVtM5/s-l1600.jpg)



![Saint Laurent Black Quilted Envelope Chain Shoulder Bag 63019 157549572 [U]](https://i.ebayimg.com/images/g/UbEAAeSw7sJqTqc8/s-l1600.jpg)






![Saint Laurent Black Matelassé Envelope Chain Shoulder Bag 63019 157549572 [U]](https://i.ebayimg.com/images/g/F4UAAeSwr6JqToL2/s-l1600.jpg)




































Why the Envelope is iconic
Its clean chevron or matelasse quilting and the polished cassandre monogram made it a modern staple of the Anthony Vaccarello era. It became the go-to structured flap for those wanting timeless quilted glamour without a Chanel price tag.
What to pay pre-owned
Pre-owned Envelopes typically sell for around £650-£1,200 depending on size and condition, with a median near £848; it is among the better-value luxury flap bags second-hand. Size (small vs medium/large), hardware colour, leather grain and any wear to corners or chain plating drive the price.
Sizes & variants
Sold in small, medium and large, in smooth or grained (mixed matelasse) calfskin and occasional suede, with gold, silver or matte black hardware, and offered as flap and chain-wallet formats.
How to authenticate
- 1.Check the interior stamp and any date/serial codes for correct font, depth and placement.
- 2.Inspect the cassandre YSL hardware and chain for crisp engraving, even plating and solid weight.
- 3.Confirm the quilting lines match cleanly at the seams and stitching is regular, buying only with an authentication guarantee.
Guidance only — always buy from sellers offering an authentication guarantee.
Buying a pre-owned Saint Laurent Envelope — FAQs
How does the Envelope compare to a Chanel flap?
It shares the quilted, chain-strap silhouette at a considerably lower price, making it a popular alternative, though its hardware and construction reflect Saint Laurent's own house codes.
Which size is most versatile?
The medium is the everyday sweet spot, holding essentials while remaining elegant; the small suits evenings and the large works for those wanting more capacity.
Does the leather hold up?
Grained calfskin resists scuffs and daily wear better than smooth leather, which can mark more easily, so grained versions are often the safer pre-owned buy.