AlGuirnex Internal Frame Backpacks
AlGuirnex Ultra Lightweight Rucksack Small Backpack Foldable Compact
18L of carrying space.
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Offer checked 13 November 2026. Price and availability may change.
- Capacity
- 18L
A closer look
What matters before you buy
Packing the 18L bag
This bag has a listed 18L capacity. Think through the items you need to carry together, then check the compartment layout rather than choosing by the litre figure alone.
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Compare your options
Compare the details that matter to your choice. For more options, explore similar products below.
For a different size, compare FLAMEHORSE Lightweight Foldable Backpack 30L Packable Rucksack: L, alongside M for this option.
| Product | Capacity | Size | Bag layout | Shop the option |
|---|---|---|---|---|
 This optionAlGuirnex Ultra Lightweight Rucksack Small Backpack Foldable Compact | 18L | M | — | Check retailer priceView on Amazon |
| 30L | L | Side pockets / Packable design | £11.99View on Amazon | |
| 10L | 10L | Side pockets / Packable design | £17.99View on Amazon | |
| 30L | 30L | — | £19.99View on Amazon |
- This option
AlGuirnex Ultra Lightweight Rucksack Small Backpack Foldable Compact
- Capacity
- 18L
- Size
- M
- Bag layout
- Not supplied
Check retailer priceView on Amazon - Capacity
- 30L
- Size
- L
- Bag layout
- Side pockets / Packable design
£11.99View on Amazon- Capacity
- 10L
- Size
- 10L
- Bag layout
- Side pockets / Packable design
£17.99View on Amazon- Capacity
- 30L
- Size
- 30L
- Bag layout
- Not supplied
£19.99View on Amazon
The exact specification
Product details
- Size
- M
- Colour
- Black
- Capacity
- 18L
Full listing and model details
- Retailer listing
- Ultra Lightweight Rucksack Small Backpack Foldable Compact Daypack, Black | Water Resistant, Packable, for Travel Hiking Camping Day Trips, Men Women
- Brand
- AlGuirnex
- Model
- AlG25042
- Condition
- New
- ASIN
- B0FF4P4LSW
Keep exploring
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More internal frame backpacks to compare by their exact size, format and price.
FLAMEHORSE Lightweight Foldable Backpack 30L Packable Rucksack – Black
- size
- L
- Colour
- Black
- Model
- foldable
£11.99
View on AmazonSee details
ZOMAKE Lightweight Foldable Backpack Packable Rucksack (10L/Black C)
- size
- 10L
- Colour
- Black
- Model
- SDJ-ZOM-E0ZS0252A
£17.99
View on AmazonSee details
ZOMAKE Lightweight Foldable Backpack Packable Rucksack (30L/Dark Green)
- size
- 30L
- Colour
- Dark Green
- Model
- ZOMAKE-TM0077E
£19.99
View on AmazonSee details
Found the right option?
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Sources & our approach
Product details come from the retailer’s listing, checked 13 November 2026. Our buying notes explain the listed differences and questions to resolve before ordering. We have not handled or tested this product.
Our editorial approach