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Graue Petromax Kühltasche liegt am See

Cooler bags

Power-independent cooling for 4 days or 6 days

Portable cooler bag in a compact size

Suitable for hunting, boating, camping, fishing and adventure picnics

Cooler bags

Mesh Insert Cooler Bag

The net insert for the Petromax cooler bag and backpack is the ideal complement, because thanks to the folding handles you can easily remove the net and its contents from your cooler bag / backpack. The melt water remains through the coarse-meshed net in the cooler bag or your backpack and you can simply pour it out. Also the refilling of ice and the cleaning of the cooling object of your choice is so easy.

When you take the mesh insert shopping, the mesh bag is your practical shopping companion, with which you have the overview of the right amount of food. Folded to save space, the net bag weighing less than 500 g is quickly at hand for the next culinary adventure.


Scope of delivery
1 x mesh insert for Petromax cooler bag / cooler backpack

24,90 €
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Why Petromax?

  • Personen im Freien die einen Kühlrucksack von Petromax tragen

    Comfortable to wear on the go

    Enjoy the freedom to take your favorite drinks and snacks with you wherever you go. The comfortable padded shoulder strap ensures that you can carry the cooler bag effortlessly, even on longer trips. This makes every outing a relaxed experience.

  • Petromax Kühltasche liegt am See

    Perfectly secured

    Whether you're hiking through dense forests, climbing over rocky coastlines or relaxing by the lakeside - thanks to the practical eyelets, you can attach them securely to your rucksack, boat or car. So you always have your cool drinks and snacks to hand, no matter where your adventure takes you.

Frequently asked questions about Cooler bags

What are the benefits of a cooler bag?

A Cooler Bag keeps food, drinks, or medication cool for a longer time. The insulation prevents heat from getting in, ensuring fresh supplies—even far from the fridge.

How does a cooler bag work?

The insulated layers between the inner and outer walls reflect heat and keep the cold inside. Combined with cooling packs, this creates a closed cooling system that keeps food and drinks cold for many hours.

How long does the cooler bag keep cold?

The cooling duration depends on the outside temperature, the insulation strength, and the number of cooling packs. High-quality models with strong insulation keep the contents cool for up to several days – especially with proper preparation.

Can you also keep warm with a cool bag?

Yes. The insulating layer works both ways. Warm food stays warm as long as no cold elements are added. This makes a Cooler Bag suitable for hot meals on the go.

Is the cooler bag also suitable for the beach?

Definitely. Waterproof cool bags protect the contents from sand and splashes. Thanks to the sturdy outer shell, the bag stays stable even when placed on uneven ground.

How can I keep my cooler bag cold for longer?

Store the Cooler Bag in the shade before use or chill it briefly. Pack food and drinks as pre-cooled as possible and distribute the cooling packs evenly. The fuller the Cooler Bag, the longer the temperature stays stable.

How to Use Cooling Packs Properly: How to Keep Food and Drinks Fresh Longer?

Cooling packs are the foundation of any effective cooling.
• Preparation:
Let the cooling packs freeze completely before use – ideally overnight in the freezer.
• Placement:
Distribute cold elements evenly inside. Store drinks and delicate foods as centrally as possible. This keeps everything fresh longer.
• Types of cooling packs:
There are flexible gel packs and rigid cooling blocks. Both are suitable for maintaining a constant temperature – depending on space requirements and purpose.

Which extras and accessories are useful?

With the right accessories, the Cooler Bag becomes even more practical.
Dividers and inserts make storage easier, while additional ice packs or nets keep the contents organized and within reach.
Some models feature freezer-compatible inner material or can be pre-cooled directly in the freezer. This way, food and drinks stay cool for even longer.

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What makes a good cooler bag?

A good cooler bag impresses with effective insulation, robust materials, and a well-thought-out construction. It keeps the temperature constant – even at high outside temperatures – and reliably protects the contents from penetrating heat or moisture.

  • Insulation and structure:
    The core of every cooler bag is the insulated layer between the inner and outer walls. High-quality models use multi-layer materials that significantly extend the cooling period. This keeps food and drinks fresh for many hours.
  • Material and quality:
    The choice of material determines performance and service life. On the outside, hard-wearing polyester or nylon fabrics provide protection, while on the inside, smooth, easy-to-clean films or waterproof layers hold back moisture. Particularly waterproof models are ideal for use when camping or near water.
  • Robustness:
    Zippers, carrying handles, and seams must be stable. A robust cooler bag remains dimensionally stable – even when fully loaded – and reliably protects its contents.

In short: A good cooler bag has strong insulation, remains leak-proof, is easy to clean, and lasts for many years.

What liter size should a cooler bag be?

The appropriate size depends on how you use your cooler bag. When camping, every liter counts – if it's too small, you lose storage space; if it's too large, the cooling performance suffers.

  • 10–15 liters:
    Ideal for solo tours, day trips, or commuting to work. Offers enough space for some snacks and drinks.
  • 20–30 liters:
    The standard for weekend trips or couples camping. There is comfortable space for food and drinks for two people here.
  • 40–50 liters and more:
    For families or longer stays. These models offer enough volume for several meals and drinks over several days.

A clear advantage of cooler bags: They are more flexible than cool boxes, can be folded up, and stored in a space-saving way when empty – ideal for traveling with limited storage space.

What makes Petromax cooler bags so unique?

Petromax cooler bags are designed for function and durability. Their multi-layer insulation keeps food fresh for days – without any electricity. The material is waterproof, durable, and features high-quality workmanship.

Each bag is designed for use in nature: resistant to shocks, dimensionally stable, and easy to clean. The tight roll closure and stable outer skin ensure that not a drop escapes – even in direct sunlight or high humidity.

Through the combination of traditional Petromax quality and modern functionality, these cooler bags are a reliable companion for every outdoor application – from the campsite to the sea.

What advantages do cooler bags have over cool boxes or cooling backpacks?

Cooler bags are light, flexible, and uncomplicated – properties that distinguish them significantly from cool boxes.

  • Flexibility:
    A cooler bag adapts to the available space. It can be carried, hung over the shoulder, or stowed between luggage. In contrast, cool boxes are often bulky and heavy.
  • Weight:
    Due to the softer structure, cooler bags are significantly lighter than classic boxes. This makes transport easier – especially when camping or having a picnic.
  • Stowage:
    Empty cooler bags can be folded up and stored in a space-saving way. A cool box always remains voluminous.
  • Robustness and durability:
    Modern cooler bags feature high-quality workmanship, are robust, and are just as durable as many boxes. At the same time, they offer more comfortable carrying comfort due to their flexible shape.

Cooling backpacks are practical when you are on the move a lot – but if you want to store food and drinks safely, you rely on the insulation performance and tightness of a classic cooler bag.

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