Large Adult Cooler Backpack, 36 to 55 L
£92.90
10% off your first order
with the code BIENVENUE10
Offer valid until Sunday 25 October
- Free delivery
- Returns within 30 days
- Secure payment
Specifications
- Dimensions: 56 x 37 x 20 cm
- Capacity: 36 to 55 L
- Main material: nylon
- Lining: polyester
- Insulated compartment: aluminium foil
- Bag type: internal frame
- Carry system: air-cushion straps
- Fastening: zip
- Top handle: soft
- Outside pocket: slit pocket
- Inside organisation: phone pocket, zip pocket, compartment, laptop compartment
- Pattern: plain
- Rain cover: no
- Colours available: grey, black, blue
- Package contents: 1 backpack
Description
The large adult cooler backpack that makes the most of your food outings and busy days
Take your meals, drinks and little treats everywhere with this cooler backpack for adults, stylish, sturdy and designed for your comfort. A true ally for picnics, the office or the road, it keeps your food at the right temperature thanks to its aluminium foil insulation, while offering flawless organisation. This large cooler backpack holds 36 to 55 L, measures 56 x 37 x 20 cm and has a laptop compartment.
Why choose this adult cooler backpack?
Its tough nylon build with a polyester lining wipes clean in one go and protects your belongings day to day. Inside, dedicated pockets for your phone, keys and accessories, plus a divider for a laptop or tablet, let you travel light and tidy. The air-cushion straps spread the load over your shoulders, handy on long walks to the park or on the commute.
Large capacity and smart organisation
With a generous volume of 36 to 55 L and a 56 x 37 x 20 cm format, this picnic bag takes lunch boxes, bottles, fruit and tableware without compromise. The zip fastening keeps everything secure, while the outside pocket gives quick access to the essentials. Available in grey, black or blue, its unisex style suits all your outings.
- Aluminium insulation, keeps hot and cold for longer
- Durable nylon, light and easy to care for
- Padded straps, breathable comfort all day long
- Inside compartments, zip pocket and phone pocket
- Large capacity for group meals, supplied on its own without accessories
A versatile and reliable insulated bag
Already appreciated by many customers for picnics, camping and working days, this large insulated backpack replaces the bulky cool box with a practical, good-looking solution. If you need more volume, discover our large capacity cooler backpack in our cooler backpacks collection.
Treat yourself today to this adult cooler backpack, available in several colours. Take action, order now and enjoy your meals anywhere in style.
Delivery & returns
Delivery
Free tracked delivery to the United Kingdom, in 7 to 12 working days.
As soon as your order is dispatched, you receive an email with a tracking link.
Returns
You have 30 days from delivery to request a return. The 14-day statutory right to cancel is included in this period.
See our returns policy for the conditions.
Why choose us?
At Galerie Sac à Dos, we believe a bag does more than carry your things.
It goes with you through your days, your plans and your getaways, and reflects the way you live.
That is why every style in our collection is carefully selected to combine style, comfort and durability, with no compromise.
Backpacks designed for real life
For work, lessons, travel, hiking or family days out, our bags adapt to every use.
Well-planned compartments, sturdy materials and careful comfort. Every detail counts to make your everyday life easier.
Style and function together
Every style combines careful design with modern practicality.
Classic, sporty or colourful, your bag stays practical, comfortable and true to your style.
Tested quality, lasting finishes
We favour hard-wearing materials (premium canvas, vegan leather, high-density polyester) and reinforced stitching, for a bag that keeps its shape and lasts.
A responsible and transparent selection
No overproduction and no empty promises, only pieces chosen for their reliability, their comfort and their timeless look.
Your satisfaction first
Free delivery, easy returns within 30 days and responsive customer service, because buying online should be as simple and enjoyable as planning your next adventure.
About Galerie Sac à Dos
At Galerie Sac à Dos, we believe a good bag can change the way you live, travel and express yourself.
We don’t make bags, we select them. Every style is carefully chosen from suppliers who share our values: quality, comfort and lasting style.
From the clean-lined city bag to the rugged hiking backpack, and the kids’ styles too, every piece reflects our standards: thoughtful design, reliable materials and a timeless look.
No passing trends, no compromise. Just bags made to stay with you for a long time, with confidence and personality.
Frequently Asked Questions
Are the materials durable and environmentally friendly?
We favour suppliers that use strong, quality materials, selected for their durability and their lower impact on the environment.
Does the product look exactly like the photos on the site?
Absolutely. All our photos are taken of the real products, with no misleading retouching. Colours may vary slightly depending on the lighting or the screen you use.
How do I track my order?
As soon as your order is dispatched, you receive an email with a tracking link to follow your parcel in real time.
Is payment on your site secure?
Yes, we use SSL security, which keeps your data private and protected. Your payment details are never stored.
What should I do if my parcel does not arrive or arrives damaged?
Contact our customer service straight away. We will open an investigation with the carrier and, if needed, arrange a replacement or a refund as quickly as possible.
How can I contact you with a question before or after my order?
You can contact us through the contact form on the site or by email at contact@galeriesacados.com. We reply within 24 working hours.
