“It’s more than just a diaper bag, because unlike any other, this one is made for you!”
By-olya, the diaper bag brand from a mom for moms!
BY-OLYA
By Olya is the ideal solution for modern moms who want to combine style and practicality. Our diaper bags are designed to simplify your daily life: smart compartments, durable materials, and elegant design. Because being a mom also means being yourself with a bag that's as functional as it is fashionable.
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Dive into the heart of your diaper bag!
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Discover every detail of our premium quality diaper bag
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Lena Diaper Bag
High quality and vegan faux leather
Waterproof and resistant
Large compartment
Free delivery
100% secure payment
Satisfied or your money back

For moms who don't forget themselves!
Un bébé dans les bras, Mais les mains toujours libres !
Parce qu’une maman mérite de profiter pleinement de chaque moment,
nos sacs à dos à langer allient confort, liberté et sérénité.
Les mains libres, le cœur léger — chaque sortie devient un vrai moment de bonheur partagé. 🍃
Our guarantees
All our bags are 100% vegan, made with durable and waterproof materials. All this in a design that suits you as a mom!
Frequently Asked Questions
Do you ship internationally?
By-Olya is a growing brand. We currently ship to mainland France and Belgium… and maybe even internationally very soon!
Can it be washed?
We recommend gentle cleaning with a damp cloth and a little Marseille soap. Thanks to its waterproof coating, the exterior of the bag is very easy to clean without leaving any marks.
Is it guaranteed? / Can I return it?
Yes, you benefit from the 14-day money-back guarantee.
If the product does not suit you, you can return it to us, provided that it has not been used and is returned in its original packaging.
What materials are used?
Our bag is made from high-quality faux leather, used by many major brands. It is 100% vegan, free from any animal-derived materials, and combines elegance, sustainability, and ethics.
Is the bag big enough for everyday use?
Yes, all our bags are spacious and designed to accompany you every day. You can store your personal belongings as well as all your baby's essentials, without compromising on style.
"Are your bags shipped from France?"
Yes! All our bags are shipped directly from France, and I carefully prepare your orders. This allows us to guarantee fast shipping, reliable tracking, and quality control before each shipment. By-olya, the diaper bag brand by a mom for moms!
"Le lange est-il offert avec le sac ?"
Oui bien évidemment, pour l'ouverture de notre site nous avons décidé d'offrir un lange fruity Avocado en coton bio pour l'achat d'un sac à langer - Parfait pour vous faire plaisir ou pour offrir !
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