VANKEV Expandable Cabin Backpack, 45 × 34 × 20 cm

The VANKEV expandable cabin backpack is a soft-shell travel rucksack with a laptop compartment listed for devices up to 17 inches. Its expandable design is claimed to increase depth from 20 cm to 25 cm, trading a compact cabin profile for extra packing capacity when opened.

At a glance

Unzip the expansion section to increase the stated depth from 20 cm to 25 cm and capacity from 30L to 38L.
Three compartments and nine pockets are listed, including a laptop compartment and a hidden anti-theft pocket.
The listing describes RFID blocking, a luggage strap and a side cable opening. Power bank and cables are not included, according to the listing.
The manufacturer claims the compartments can open 180° for packing and security checks.

Price

£34.19Save 20%

Reference price: ~~£42.99~~

Price checked: 14 Nov 2026

View offer

Pros and cons

Pros

Expandable layout offers a choice between a smaller profile and more packing space.
The stated 17-inch device limit and multiple storage areas suit travel that combines a laptop with clothing and accessories.
A luggage strap, quick-access pocket and claimed RFID-blocking pocket add useful organisation for trips.

Cons

Expanded depth is 25 cm, so using the full expansion may not suit cabin or under-seat limits that require a slimmer bag.

Technical specifications

17 specifications

Size and capacity
Dimensions	20D x 34W x 45H centimetres
Listed size	45x34x20cm(30L-38L)
Storage volume	34 Liters
Expanded dimensions	45×34×25cm
Expanded capacity range	30L to 38L

Materials and protection
Shell	Soft Shell
Water resistance listed	Water Repellent
Fabric weight class	Lightweight

Storage and devices
Maximum compatible device size	17 Inches
Compartments	3
Pockets	9
Closure	Zipper

Carry and design
Harness	Shoulder Harness
Strap type	Shoulder Strap
Colour	Wilderness Slate Green
Pattern	Solid
Style	Minimalist

What to know before buying

Listing details to confirm

The listing gives conflicting capacity details: 34 Liters, 30L to 38L, and an expansion claim from 30L to 38L. It also presents 45 × 34 × 20 cm as the base size and 45×34×25cm when expanded. Check the selected airline's current size and baggage rules, especially if expanding the bag. The claimed fit for EasyJet, British Airways and Jet2 is not a guarantee of acceptance.

Who is it for?

A good fit for

Travellers wanting a backpack that can expand for short breaks while carrying a laptop.
Buyers who value separate storage pockets and a luggage strap for organising travel essentials.

Less suited to

Travellers who need a guaranteed cabin-bag allowance across airlines or plan to use the expanded 25 cm depth without checking current restrictions.

VANKEV Expandable Cabin Backpack, 45 × 34 × 20 cm · photo 2 — Additional product photo 2

Customer reviews on Amazon

3.9 / 5 · 112 ratings

5 stars53%53%
4 stars22%22%
3 stars7%7%
2 stars5%5%
1 star13%13%

Customer feedback highlights perceived build quality and suitability for holidays or short breaks. That travel-friendly impression aligns with the expandable design and multiple compartments, while the mixed overall rating means experiences are not uniformly positive. Feedback does not establish performance or airline acceptance.

Positive themes

Customers are reported to appreciate the build quality.
Customers are reported to find it travel-friendly and useful for holidays or short breaks.

Frequently asked questions

How large is the backpack?

The listed dimensions are 20D x 34W x 45H centimetres. The listing says it expands to 45×34×25cm, so check the applicable baggage rules if using the expanded depth.

What is its capacity?

The specifications list 34 Liters, while the size and feature text gives a 30L to 38L range. Treat the capacity as inconsistent in the listing.

What size laptop does it fit?

The listing gives a maximum compatible device size of 17 Inches.

Does it include a power bank or charging cable?

No. The listing says the power bank and cables are not included, though it describes a side pocket with a cable opening.