SZLX Vacuum Compression Travel Backpack with Pump, 40 × 30 × 20 cm

The SZLX vacuum compression travel backpack combines a claimed 40 × 30 × 20 cm cabin-bag format with a pump, compression compartment and sleeve for laptops up to 14 inches. The listing describes it for air travel, but its title also mentions a different cabin-bag size, so confirm the dimensions of the selected version before relying on a particular airline’s allowance.

At a glance

The listing describes an air-release valve and pump for compressing contents, with manual air release also mentioned.
The pump is claimed to inflate and deflate, has a USB Type-C charging port and is supplied with different nozzles.
The vacuum section is described as having an airtight zip, and the listing notes that it can take extra force to open.
A 180-degree opening, wet/dry organisation and a dedicated laptop compartment are among the listed features.
A rear luggage strap is claimed to attach the backpack to a rolling suitcase.

Price

£42.49Save 15%

Reference price: ~~£49.99~~

Price checked: 14 Nov 2026

View offer

Pros and cons

Pros

A pump is claimed to be included, so the compression feature is presented as usable without buying a pump separately.
Five listed pockets and five compartments offer separate places to organise travel items.
A dedicated laptop compartment is listed for devices up to 14 inches.
The rear luggage strap and discreet rear pocket add useful travel-focused storage options.

Cons

The listing gives a weight of 1KG, which may matter to buyers trying to keep carry-on weight down.

Technical specifications

17 specifications

Size and capacity
External dimensions	20D x 40W x 20H centimetres
Selected size variant	Ryanair/Wizz 40x30x20cm(Vacuum backpack with pump)
Laptop size supported	14 Inches
Pockets	5

Materials and protection
Water resistance listed	Water Resistant
Shell	Soft Shell
Fabric stretch	No Stretch

Design and carrying
Backpack design	Laptop Backpack
Harness	Shoulder Harness
Strap type	Shoulder Strap
Closure	Zipper
Colour	L08-black (Vacuum Backpack With Pump)
Shape	Rectangular
Pattern	Solid

Other details
Recommended use	Travel
Age range	Adult
Country of origin	China

What to know before buying

Listing details to confirm

The title mentions both 40x30x20 and 40x20x25 cabin-bag dimensions, while the selected size field and product description give 40x30x20 cm. Confirm the selected version’s measurements and the airline’s allowance. The airtight compartment zip is described as tight and requiring extra force. The listing does not state the pump’s battery capacity or runtime.

Who is it for?

A good fit for

Travellers who want a compression compartment and pump in a single backpack.
People carrying a laptop no larger than 14 inches alongside organised travel items.
Buyers looking for a backpack with a suitcase attachment strap and a discreet rear pocket.

Less suited to

Travellers who need confirmed compatibility with a specific airline’s under-seat dimensions without first checking the selected bag size.
Buyers who require a stated pump runtime or battery capacity before purchase.

SZLX Vacuum Compression Travel Backpack with Pump, 40 × 30 × 20 cm · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.5 / 5 · 1,189 ratings

5 stars71%71%
4 stars16%16%
3 stars7%7%
2 stars4%4%
1 star2%2%

Customer feedback highlights the bag’s size, storage and travel use, with reports of it fitting under aircraft seats and holding items for short trips. These impressions are relevant to the listed cabin-bag dimensions and five pockets, though the title’s differing size claim means airline fit should be checked. Feedback is mixed on weight and durability, including differing views of the bag’s heft and reports of fragile plastic parts. The listing’s 1KG weight may help set expectations, but customer experiences vary.

Positive themes

Customers describe the size and storage as useful, and some report that the backpack fits under aircraft seats.
Customers mention organised storage, ease of carrying, and positive impressions of the design and colour.

Negative themes

Some customers report that plastic parts feel fragile.

Mixed feedback

Customers disagree on whether the backpack feels lightweight or heavy.
Durability impressions differ, with some describing it as sturdy and others raising concerns about plastic parts.

Frequently asked questions

What size is the selected backpack?

The selected size field gives 40x30x20cm, and the dimensions field states 20D x 40W x 20H centimetres. The title also mentions 40x20x25, so check the selected listing variant before buying.

Is a pump included?

The product description claims a pump is included and says it can inflate and deflate through a USB Type-C charging port. The package contents are not separately itemised.

What size laptop does it fit?

The listed maximum compatible device size is 14 inches. The page does not provide the laptop compartment’s internal measurements.

Does the backpack resist water?

The listing specifies a water-resistant finish. It does not claim that the backpack is waterproof.