How to Use RUX Cooler Cube 5L and Soft Cooler Bag 25L for Outdoor Adventures
By RUX | Modular Gear Storage System for Adventure & Travel | Published: 2026-08-01
Category: How-to Guides
Discover practical tips for using the RUX Cooler Cube 5L and Soft Cooler Bag 25L to keep food and drinks cold on your next outdoor trip.
When you're heading into the great outdoors, keeping your food and drinks cold is a top priority. The RUX Cooler Cube 5L and the Soft Cooler Bag 25L are two versatile solutions that fit perfectly into the RUX modular system. Whether you're planning a day hike, a weekend camping trip, or a long road trip, these coolers can help you stay refreshed and organized.
In this guide, we'll explore the best ways to use the Cooler Cube 5L and the Soft Cooler Bag 25L, from packing strategies to maintenance tips. You'll learn how to maximize their capacity, keep items cold longer, and integrate them with other RUX gear for a seamless outdoor experience.
Why Choose the RUX Cooler Cube 5L?
The RUX Cooler Cube 5L is a compact, modular cooler that's perfect for short trips or as a supplementary cooler alongside a larger one. Its 5-liter capacity is ideal for storing a few drinks, snacks, or even a small meal. The cube's design allows it to attach to other RUX system components, making it easy to build a custom storage setup that fits your needs.
One of the standout features of the Cooler Cube 5L is its portability. It's lightweight and easy to carry, whether you're using the built-in handle or attaching it to a bag. The insulation is designed to keep contents cold for hours, making it a reliable choice for day trips or as a lunchbox for work or school.
Getting the Most Out of the Soft Cooler Bag 25L
The Soft Cooler Bag 25L is a larger, more spacious option that's perfect for family outings, tailgating, or longer excursions. With 25 liters of capacity, it can hold a significant amount of food and drinks, yet it remains flexible and easy to store when not in use. The soft-sided design makes it easier to fit into tight spaces in your vehicle or boat.
To maximize the Soft Cooler Bag 25L's efficiency, consider using ice packs or frozen water bottles instead of loose ice. This not only keeps your items dry but also helps maintain a more consistent temperature. You can also pre-chill the cooler before packing it by placing ice packs inside for a few hours beforehand.
- Use a divider or packing cubes to separate food from drinks and keep everything organized.
- Pack heavier items at the bottom and lighter items on top to prevent crushing.
- Keep the cooler in the shade when possible to reduce heat gain.
Packing Strategies for Camping and Hiking
When packing for a camping trip, think about how you'll use your coolers throughout the day. The Cooler Cube 5L is great for quick access items like drinks or snacks that you might want during a hike, while the Soft Cooler Bag 25L can hold the main supplies for meals. By separating these, you avoid opening the larger cooler frequently, which helps maintain its internal temperature.
For hiking, the Cooler Cube 5L can be easily attached to a backpack or carried by hand. Its compact size means it won't weigh you down, but it can still keep your essentials cold. The Soft Cooler Bag 25L is better suited for base camp or car camping, where you don't have to carry it long distances.
- Plan your meals ahead and pack only what you need to avoid overpacking.
- Use the RUX Packing Pocket 2L Ultra to store utensils and napkins alongside your cooler.
- Freeze water bottles to double as ice packs and drinking water as they thaw.

Integrating with the RUX Modular System
One of the biggest advantages of the RUX Cooler Cube 5L and Soft Cooler Bag 25L is their compatibility with the broader RUX modular system. You can attach them to other RUX products like the Bag 25L or Duffel Box 55L to create a comprehensive storage solution. For example, you could use the Duffel Box 55L to carry your camping gear and the Soft Cooler Bag 25L to keep food separate.

The Cooler Cube 5L can also be paired with the Packing Cube (10L) to organize non-perishable items, or with the Utility Hooks (Pair) to hang it from a tree or a tent pole. This modularity ensures that your storage system grows with your needs, whether you're on a weekend getaway or a month-long expedition.
- Use the Organizer Panel Set 30 x 30 to create additional compartments inside larger bags.
- Attach the Cooler Cube 5L to the outside of a backpack using the loops and straps.
Cleaning and Maintenance Tips
Proper cleaning and maintenance will extend the life of your coolers. After each use, empty the contents and wipe down the interior with a mild soap and water solution. Avoid using harsh chemicals that could damage the insulation or lining. For stubborn stains, a baking soda paste can work wonders.
Make sure the coolers are completely dry before storing them to prevent mold and mildew. Store them with the lids slightly open to allow air circulation. If you notice any tears or damage, address them promptly to prevent further issues.
- Do not put the coolers in the dishwasher—hand wash only.
- Use a soft brush to clean the zippers and edges.
- Store the coolers flat or with the lid open to maintain their shape.
The RUX Cooler Cube 5L and Soft Cooler Bag 25L are excellent additions to your outdoor gear, offering both convenience and reliability. By following the tips in this guide, you can keep your food and drinks cold while staying organized. Whether you're using them alone or as part of a larger RUX modular setup, these coolers are sure to enhance your adventures. Explore the full range of RUX cooling solutions to find the perfect fit for your next trip.



