VANKEV Ryanair EasyJet Eurowings Wizz Air Cabin Bag – expandable underseat laptop bag 40x30x20 to 40x30x25 (24L to 30L), black
Product description
Key takeaways
If you fly budget airlines and hate the hassle of being turned back at the gate, an underseat cabin bag with a sensible size range can make life easier. This VANKEV expandable cabin bag is built around a standard 40x30x20 cm footprint, with a 5 cm depth expansion up to 40x30x25 cm. On paper, that’s the kind of design that suits travellers who want to pack a bit more without immediately changing to a larger bag.
It’s also aimed at day-to-day mixed packing: a dedicated laptop compartment (stated up to 16 inches), multiple internal sections, and a mix of quick-access pockets. It’s not trying to be a full-on hiking backpack, it’s closer to a travel work-bag that happens to expand when you need the extra space.
A limitation to keep in mind: airline size rules can be interpreted differently at busy airports. Even with the expandable concept, you’ll still want to check the specific allowance for your flight and how strictly staff enforce it.
The essentials

This is a cabin bag designed to sit under the seat or go in the overhead bin depending on how you pack and what the flight rules allow. The headline feature is the expandable design: from 24L up to 30L, while keeping the other dimensions the same (40x30 cm in width/depth and 30 cm height, with only the depth increasing by 5 cm).
Storage is handled through three main interior areas. There’s a front accessory compartment, an expandable clothing storage section that includes a waterproof pocket and a mesh pocket, and a dedicated laptop compartment (up to 16 inches). Outside, there are also three quick-access pockets plus a side water bottle pocket.
If you’re the sort of traveller who likes to separate “the bits I need quickly” (chargers, small items, documents) from “the bits that can wait”, the pocket layout will feel practical.
What stands out in use


The bag leans into convenience and faster airport moments. It features a 180° opening for quicker security checks, plus a TSA-approved design. There’s also an anti-theft pocket and a luggage strap, which should help when you’re moving between stations, terminals, or gate areas.

The on-the-go charging feature is another detail that’s easy to like. There’s a hidden cable hole in a side pocket intended for charging while the bag stays closed. Do note the wording here: it doesn’t include charging cables or power banks, so you’ll still need to bring your own setup.
For carrying comfort, the design includes an ergonomic curved shoulder strap, a removable sternum strap to help spread the load, and a cushioned back panel. That’s the kind of combination that can make longer travel days more bearable, even if you’re not walking miles.
Tech specs
- Name: VANKEV Ryanair EasyJet Eurowings Wizz Air Cabin Bag
- Type: expandable underseat cabin bag / hand luggage
- Size: 40x30x20 cm (expanded to 40x30x25 cm)
- Capacity: 24L (expanded to 30L)
- Laptop compartment: up to 16 inches
- Colour: black
- Expansion depth: 5 cm
- Opening: 180° full opening (for security checks)
Pros

- Expandable depth (40x30x20 to 40x30x25) gives extra packing room when you need it.
- Dedicated laptop compartment (up to 16 inches) plus several compartments for organised packing.
- TSA-approved design and a 180° opening can make security checks feel less painful.
- Anti-theft pocket and luggage strap add a bit of peace of mind on busy travel days.
- Hidden cable hole for in-bag charging convenience (without cables/power bank included).
- Comfortable carry setup for an underseat style bag: curved shoulder strap, removable sternum strap, cushioned back.
What you should double-check before buying
The biggest “depends” here is airline enforcement. The bag is presented as meeting the carry-on requirements of Ryanair, EasyJet, Eurowings, Wizz Air, and Vueling, and it’s also described as still ideally fitting for Eurowings, Jet2, and Air France after expansion. However, actual gate checks can be strict and sometimes inconsistent, especially in peak periods. If you often travel at busy times, it’s sensible to pack slightly conservatively—particularly when using the expanded size.


Also consider the practical laptop fit: the compartment is described for up to 16 inches, but laptop thickness and any case can change what comfortably fits. If your device is on the larger side or you use a chunky sleeve, it’s worth measuring.
¿Merece la pena?

This is a sensible pick if you want one underseat cabin bag that can handle work essentials and everyday travel, with the option to expand for the trip home or when you pack bulkier clothing. The 180° opening, TSA-approved approach, and the organised pocket layout are the kind of features that tend to matter more than they look like on day one.
It may not be the best choice if you need a true “always max-sized” cabin bag, or if you frequently travel on flights where the staff are strict about exact dimensions even when you’re within stated limits. In that case, a non-expandable bag that always matches your airline’s minimum requirements might feel less risky.
Who it’s for / who should avoid it
It suits you if you travel with a laptop regularly, like compartmentalised packing, and want the convenience of underseat-friendly dimensions with extra capacity available via expansion.
You may want to skip it if you prefer very simple bags with fewer compartments, or if your priority is squeezing in the absolute maximum every single time—expansion helps, but it doesn’t override airline enforcement.

Mini FAQ
Can I use the expandable size for flights?


It’s designed to expand from 40x30x20 to 40x30x25 cm, and the description suggests it can still fit carry-on requirements after expansion for certain airlines. Still, check your specific airline and consider packing carefully in the expanded mode.
Does it fit a 16-inch laptop?
The laptop compartment is stated to fit up to 16 inches. If your laptop uses a thick case, you may want to measure to be safe.

Is the cable hole for charging included with cables?
No cables or power banks are included—there’s a hidden cable hole for routing, but you’ll need your own charging kit.
What’s the security opening like?
It has a 180° full opening intended for quicker security checks, and it’s described as TSA-approved.
Does it have anti-theft features?
Yes, there’s an anti-theft pocket, plus a luggage strap for added convenience.
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