
Great Sack - Cookie
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Experience Timeless Elegance with the Great Sack Leather Briefcase
The Great Sack Leather Briefcase combines modern functionality with classic design, meticulously crafted as a contemporary version of an Estonian Prime Minister's choice. This exquisite briefcase, born from a curious encounter at Tallinn Airport, is now available to all who value sophistication and quality in their day-to-day professional life.
Why Choose the Great Sack?
- Laptop & Essentials Ready: Features a dedicated laptop compartment for devices up to 15”, along with two pockets perfect for notebooks or smartphones, and two pen holders, ensuring organization and easy access.
- Adjustable Comfort: An adjustable shoulder strap with a padded shoulder section provides customized comfort for any journey.
- Premium Materials: Made from organically tanned leather sourced from Sweden's Tärnsjö Tannery and Tuscany, Italy, available in classic Black, rich Cognac, or luxurious Clay.
- Handcrafted Exclusivity: Each briefcase is designed and handmade in Estonia, ensuring a high level of craftsmanship and attention to detail.
Product Details:
- Dimensions: 39 cm x 30 cm x 10 cm
- Strap Length: Adjustable from 70 to 100 cm
- Packaging: Delivered in a reusable canvas gift bag, adding an extra touch of eco-friendly thoughtfulness.
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Shipping:
- EU: 4-8 business days
- Baltics and Finland: 2-5 business days
Embrace a piece of history with a briefcase designed for leaders, crafted for everyone. Add the Great Sack to your collection today and carry your essentials in style.
SHIPPING + RETURNS
THE RATHER IMPORTANT BITS
This rather lovely piece ships directly from our brand partner - we work with independent brands who are absolutely brilliant and work frightfully hard to create beautiful things.
SHIPPING DESTINATIONS
Now, here's the thing - our wonderful brand partners ship to lots of different places, but not all of them can ship worldwide.
Some are brilliant at international shipping, others prefer to keep things closer to home.
At checkout, you'll see exactly where this particular brand can send your goodies.
We're terribly sorry, but shipping costs do vary rather wildly depending on where you are in the world. The exact figures pop up at checkout - no nasty surprises!
RETURNS
You have 14 days to return items.
Now, we absolutely adore our brand partners - they work incredibly hard and we do try to support them as much as we possibly can. So I'm rather afraid we have to pass the return postage costs back to you. Frightfully sorry about that!
🌍 PLEASE CHOOSE THOUGHTFULLY:
Our wonderful partners put their hearts into everything they make.
Ordering multiple sizes to try at home is rather hard on our planet and makes things jolly difficult for these brilliant independent creators.
When in doubt, do ask us first!
The brands we work with all have a chat option, and they love to chat!
PAYMENT
We're frightfully modern and accept all the usual suspects:
Visa, Mastercard, American Express, PayPal, Apple Pay, Google Pay, and Shop Pay
SECURE AS HOUSES
Everything's properly encrypted and secure - your details are safer than the Crown Jewels!
All prices in lovely British pounds £ GBP, though international chaps will see converted prices.
Any payment pickle? We're here to help sort things out! Contact us

We are Sostter
We met as children. Grew up a few streets apart. Built dens, rode bikes, and eventually — built Sostter.
It started with a shared love of objects that meant something…things with a past, or at least a purpose.
Now, Sostter is our grown-up version of a treasure hunt: a space where design meets storytelling.
We curate independent brands, one-of-a-kind finds, and everyday essentials with character.
Giving Back
We’re proud to support Sutton Night Watch, a grassroots UK charity making a real difference in the lives of those facing homelessness. Through regular donations of stock, supplies, and essentials, we back their mission to offer warmth, dignity, and practical help to anyone in need — right where it matters most.
Sell with us
Sostter partners with independent brands that intrigue, inspire, and bring something genuinely different to the world of fashion, design, and living. Join us!