# Flight Knight FFK99\_BLACK\_S Cabin Suitcase, 55 × 40 × 23 cm

Flight Knight FFK99\_BLACK\_S is a hard-shell cabin suitcase listed at 55 × 40 × 23 cm and 42 litres. It combines eight spinner wheels, a TSA lock and an integrated USB port, but airline cabin limits vary and customer feedback is mixed on telescopic-handle durability.

- [Original product page](https://bargainpostbox.co.uk/product/flight-knight-ffk99-black-s-cabin-suitcase)
- [View offer](https://bargainpostbox.co.uk/visit/flight-knight-ffk99-black-s-cabin-suitcase)
- Market: UK
- Language: en-GB
- Currency: GBP
- Brand: Flight Knight
- Model: FFK99\_BLACK\_S
- Category: Fashion & Accessories > Bags & Luggage > Luggage
- Price: 36.32 GBP
- Previous price: 44.99 GBP
- Discount: 19%
- Price checked: 2026-11-14T19:33:03.990Z
- Rating: 4.4 / 5
- Reviews: 1478

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- Listed overall dimensions include the wheels and handle, with a separate body measurement of 47x39x23cm in the airline-compatibility text.
- Eight spinner wheels are listed for manoeuvring, alongside a telescopic handle and carry handle.
- A USB charging port is described with internal storage, but no power bank is stated as included.
- The listing claims compatibility with more than 60 airlines, including easyJet, Lufthansa and Ryanair Priority Boarding.

## Pros

- The listed 42-litre capacity offers substantial cabin-bag storage for its stated size.
- A built-in TSA lock and multiple listed packing compartments add organisation and access features.
- At 2.9 Kilograms as listed, its empty weight is specified for travellers planning their packing allowance.

## Cons

- Customer feedback reports mixed durability, including reports of the telescopic handle breaking away from the case.

## Specifications

### Identity and dimensions
- Model: FFK99\_BLACK\_S
- Size: 55x40x23cm
- Dimensions: 55L x 40W x 23H centimetres
- Weight listed: 2.9 Kilograms
- Capacity: 42 litres
### Materials and protection
- Shell: Hard
- Material: Acrylonitrile Butadiene Styrene \(ABS\), Polycarbonate \(PC\)
- Water resistance listed: Water Resistant
- Lock: TSA Lock
### Mobility and organisation
- Wheel type: Spinner
- Number of wheels: 8
- Handle: Extendable telescopic handle, carry handle
- Strap: Adjustable
- Number of pockets: 1
- Other listed features: Shirt Compartment, Shoe Compartment, Telescopic Handle, Wheel, Zip Closure

## Before you buy

- The listing describes 55x40x23cm as compatible with Lufthansa and gives the same dimensions as its maximum size, while airline rules and cabin allowances can vary. Its claims of easyJet and other airline compatibility are not a guarantee of acceptance. Check the applicable airline's current size and allowance before travel. The USB port is described with internal storage, but no included power bank is confirmed. The material field lists both ABS and PC while the feature text calls the shell ABS, so the shell composition is not consistently specified. The feature list says multi-use pockets, while the details field lists one pocket. The separate weight and capacity claims are consistent across the listing.

## A good fit for

- Travellers looking for a 42-litre hard-shell cabin case with spinner wheels and a built-in TSA lock.
- Buyers who value dedicated shirt and shoe compartments and an integrated USB charging port.

## Less suited to

- Travellers who need assured acceptance across airlines without checking the specific flight's baggage rules.
- Buyers prioritising consistently positive feedback about telescopic-handle durability.

## Customer feedback

Customer feedback highlights spaciousness for cabin travel, easy wheeling, light weight, appearance, the lock and overhead-locker fit. These experiences broadly relate to the listed 42-litre capacity, 2.9-kilogram weight, spinner wheels and TSA lock. Durability feedback is mixed, including reports of the telescopic handle breaking away, a relevant concern for frequent travel. Overall ratings lean positive, but they do not establish how the suitcase will perform for an individual buyer.
- Positive themes: Customers describe it as spacious for cabin travel and easy to wheel around airports.
- Positive themes: Customers appreciate its lightweight design and say it fits overhead lockers.
- Positive themes: Customers respond positively to the built-in lock and appearance.
- Mixed feedback: Durability feedback is mixed, with reports of the telescopic handle breaking away from the case.

## Frequently asked questions

### What are the listed dimensions and capacity?
The suitcase is listed as 55x40x23cm overall, with a 42-litre capacity. The airline-compatibility text separately gives the body as 47x39x23cm.
### Does it include a power bank for the USB port?
The listing describes an integrated USB port and internal storage compartment but does not confirm that a power bank is included.
### Is it guaranteed to fit every airline's cabin allowance?
No. The listing claims compatibility with over 60 airlines, but cabin size rules vary. Check your airline's current requirements for the specific journey.
### What do customers report about durability?
Feedback is mixed on durability, with reports of telescopic handles breaking away from the case. Other reported positives include capacity for cabin travel and ease of wheeling.

## Alternative options

- [Cabin Max Cabin Suitcase Large for Ryanair, Easyjet 55x40x20 Hand Luggage \| 55x40x20cm, 40L Suitcase, Fits Ryanair, EasyJet, Wizz Air, British Airways, Jet2, Vueling, Iberia, Air France, Lufthansa](https://bargainpostbox.co.uk/visit/flight-knight-ffk99-black-s-cabin-suitcase)
- [Flight Knight 56x45x25 EasyJet Cabin Bag, Jet2, British Airways Suitcase - Lightweight Small Durable 4-Wheel Cabin Case, Maximum Carry-On Size, ABS Hard Shell, 10kg Hand Luggage Bag- 56 x 45 x 25](https://bargainpostbox.co.uk/visit/flight-knight-ffk99-black-s-cabin-suitcase)
- [Rocklands® Lightweight 4 Wheel Hard Shell Luggage Suitcase Ryanair Cabin Carry on Travel Bag 55x40x20 \(Ice Blue\)](https://bargainpostbox.co.uk/visit/flight-knight-ffk99-black-s-cabin-suitcase)
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- [FLIEE Cabin Suitcase Hard Shell \| Lightweight Suitcase \| Telescopic Handle \| TSA 3 Digit Combination Lock \| 55x40x20cm Cabin \| Suitable for Ryanair, Easyjet, Jet 2 Paid Carry-ons \| \(Grey, Cabin 20''\)](https://bargainpostbox.co.uk/visit/flight-knight-ffk99-black-s-cabin-suitcase)
- [Flight Knight 55x40x20 Ryanair Priority Cabin Suitcase, Also for EasyJet, Jet2, Lightweight,ABS Hard Shell, Durable 4-Wheel Cabin Case, Carry-On Size 10kg Hand Luggage, Travel Bag- 55 x 40 x 20](https://bargainpostbox.co.uk/visit/flight-knight-ffk99-black-s-cabin-suitcase)
- [ATX Luggage Medium Suitcase on 4 Dual Spinner Wheels Super Lightweight ABS Hard Shell Hold Check in with Built-in TSA Lock \(Beige/Brown, 65 Liter\)](https://bargainpostbox.co.uk/visit/flight-knight-ffk99-black-s-cabin-suitcase)
- [Wenger Motion S Carry-On Suitcase 36/43 l Expandable Hard-Shell Case, Black \| Cabin suitcase 40 x 54 x 20/25 cm for city breaks with TSA safety lock, double-coil zipper and 4 double wheels](https://bargainpostbox.co.uk/visit/flight-knight-ffk99-black-s-cabin-suitcase)
- [FLYMAX Medium Suitcase 4 Wheel Lightweight Luggage Hard Shell ABS Travel Case Hold Check in Fits 15kg - 20kg Medium Size + 3 Digit Lock + Telescopic Handle 67 Litre Capacity](https://bargainpostbox.co.uk/visit/flight-knight-ffk99-black-s-cabin-suitcase)
- [Rocklands® Lightweight 4 Wheel Hard Shell Luggage Suitcase Ryanair Cabin Carry on Travel Bag 55x40x20 \(Mango Yellow\)](https://bargainpostbox.co.uk/visit/flight-knight-ffk99-black-s-cabin-suitcase)

## Add-ons

- [SA Products Cabin Suitcase \| 34L Carry On Suitcase, Cabin Bag 55x40x20 with Combination Lock \| Hard Shell Suitcase with 4 Whe](https://bargainpostbox.co.uk/visit/sa-products-55cm-34l-cabin-suitcase)
- [Hayayu Expandable Cabin Bag for Ryanair 40x30x20 for Easyjet 45x36x20 \| Travel Hand Luggage Airplane Underseat Carry on Bags](https://bargainpostbox.co.uk/visit/flight-knight-ffk99-black-s-cabin-suitcase)

## Images

![Flight Knight FFK99\_BLACK\_S Cabin Suitcase, 55 × 40 × 23 cm — 1](https://bargainpostbox.co.uk/i/5ZVe3z1StOaZsRqwJV5ZSKF_wrHdorCDj5ygN-za-FKohCqFRVm4UWlQi6WM-5TEjhEMMWHU3NIAxKiZIZ7PHM5uUNDg5N68ZfKKquihBabWILbEOshhL9xm.jpg)

![Flight Knight FFK99\_BLACK\_S Cabin Suitcase, 55 × 40 × 23 cm — 2](https://bargainpostbox.co.uk/i/CeXPRDoifJ6FCINQdGLx7iF5-8YBra3XUrfoiruPs5lfYl2wRVMaIuXvGVHQyh3GwBu_vfKT1FJFgqNpGLrWR3ol9NQUI4cItOtz3S0jcwXFI0g3iu-AToR6.jpg)

![Flight Knight FFK99\_BLACK\_S Cabin Suitcase, 55 × 40 × 23 cm — 3](https://bargainpostbox.co.uk/i/gc7VkRPe3uUjQphl-T9NNC6RhWDOmOyvLKUJpGt8YugScDSoy9rE0UZIi-s4_rAWcX5AKhcIRAz1LICnpCa1jx5VnvA9Gxfkm15zXBjjWtSp60cePg0hcaWI.jpg)

![Flight Knight FFK99\_BLACK\_S Cabin Suitcase, 55 × 40 × 23 cm — 4](https://bargainpostbox.co.uk/i/gJjpcTl2aHXLj72FcSohWOBVRCaQnMNXxkvv23sYj4Ol2ixWOg7F3fjfRMkMo145chTGK5-F0weJYDFh2SVy8MAQ5csKwua0y-37SVP-P-XZOexNXSgRLp3n.jpg)

![Flight Knight FFK99\_BLACK\_S Cabin Suitcase, 55 × 40 × 23 cm — 5](https://bargainpostbox.co.uk/i/P_jUxF63NVfH3_gwVmQLb2M3ubv4lTe_g08e7ak9SMhY3zNhi5SbUVq6N-MIC7q_MyQHqwITkKRWIvZhp5xE4gft4svrL7vJIyNeyoHRQfbN8tP3cKqzniQ7.jpg)

![Flight Knight FFK99\_BLACK\_S Cabin Suitcase, 55 × 40 × 23 cm — 6](https://bargainpostbox.co.uk/i/rFMRWv1UqckKqTv0_mtHvL6RNb0qLjssA2-7rTWfOsTCznMTGAP52lwDVpl9PsBEf5scAfuqEwXHTx7xMNybyCWwUWfnl70BiO8e7ck_9-QS1legjkBzu06j.jpg)

![Flight Knight FFK99\_BLACK\_S Cabin Suitcase, 55 × 40 × 23 cm — 7](https://bargainpostbox.co.uk/i/2RPyIPquczJJAHx1kwHF8-naeP_V2e7Zy7GpaFwuZQv3eS73CZYhrRk3uVYL70jMssIp4JI9GwNDjI8v4KbosoLkNtLmf6K4MMJ8d1f3zbdWIxRpl7EnIvXU.jpg)