# KLOSTAIN Cabin Bag 40x20x25 20L carry-on backpack

Underseat comfort with organised access the KLOSTAIN Cabin Bag 40x20x25 20L perfect for short trips and daily commutes by Ryanair rules.

- [Original product page](https://www.ofertitastop.com/uk/product/klostain-cabin-bag-40x20x25-20l-carry)
- [View offer](https://www.ofertitastop.com/uk/visit/klostain-cabin-bag-40x20x25-20l-carry)
- Market: UK
- Language: en-GB
- Currency: GBP
- Product updated: 2026-11-03T06:44:53.595Z
- Brand: KLOSTAIN
- SKU: ofertitastop-uk-9425
- Category: Luggage & Bags > Backpacks
- Source store: amazon UK
- Active deal: Yes
- Price: 22.99 GBP
- Previous price: 26.99 GBP
- Discount: 15%
- Rating: 4.6 / 5
- Reviews: 7728

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

## Description

This compact cabin backpack is built to sit under the seat and keep flight essentials organised, with dimensions of 40x20x25 cm and a 20L capacity that aim to meet Ryanair underseat cabin bag rules. It suits short-haul trips and daily commutes, offering quick access pockets and a laptop compartment for practical travel use.

## Key Points

The bag features a main compartment with a compression strap to keep clothing and bulkier items tidy. A separate laptop sleeve and multiple internal pockets help separate tech from documents and personal items. There is a front quick-access pocket for a passport or phone, plus two mesh side pockets for a water bottle or umbrella. A rear anti-theft pocket adds a subtle layer of security and the top carry handle makes lifting the bag into overhead spaces straightforward. For damp items, a dedicated wet pocket inside the main compartment keeps moisture away from electronics and paperwork. ✈️

## Usage Recommendations

Use the bag as your underseat cabin carry-on on short flights or as a compact daypack for city travel. The adjustable shoulder straps and ventilated back panel reduce pressure on shoulders during longer walks through terminals, however consider a larger rucksack for trips requiring more than a single carry-on. The water-resistant polyester helps in light rain but, according to the manufacturer, it is not fully waterproof so avoid heavy downpours. The slim profile also works well as a secondary bag on airlines with strict overhead luggage policies. 🧳

## Technical Specifications

- Name: **KLOSTAIN Cabin Bags 40x20x25**
- Dimensions: **40x20x25 cm**
- Capacity: **20L**
- Colour: Black
- Material: High-density polyester
- Features: Wet pocket, anti-theft rear pocket, laptop compartment, compression strap

## Practical Tips

Pack heavier items close to the back panel to balance the load and prevent the bag from tipping when placed under a seat. Keep travel documents in the front pocket for faster access at boarding and security. For longer itineraries, use packing cubes inside the main compartment to make the most of the 20 litres and keep clothes compact. Also, check the airline’s most recent cabin measurements before travel as allowances can change.

## Images

![KLOSTAIN Cabin Bag 40x20x25 20L carry-on backpack — 1](https://www.ofertitastop.com/i/rTFlJOkQXhThdS0C0qYRntaowrFH9eaXrVAp532SjkBQw5JpjFMHm3sDF457-5dj6Qws-kL03cCkrsJT-m7LS2a3MCeTAQMLg_hPPfsCw4lAxZgnM_MgNs6luQ.jpg)

![KLOSTAIN Cabin Bag 40x20x25 20L carry-on backpack — 2](https://www.ofertitastop.com/i/zE9jOixuOrtT45Y1qCJb50qjsPgcrUcy5nijOmg1gHooTD7oB-hFxu_Z--ixDWYWK3MLvZ18eTKRYc4JOYdrAEAcK2OQ_W4sCAv3sV2yR0-gvKQhEF50_7uWcw.jpg)

![KLOSTAIN Cabin Bag 40x20x25 20L carry-on backpack — 3](https://www.ofertitastop.com/i/Z8fj6X7b1IPQV4OaTso3x7IdqkRgXJvto7WFBnzi26Nu9XSq_1PqjxR6ys4-1VI6SP1zYy5eb5JW-WPwWwmmJDhjWsRyhMeB_Qjn9rKPOgXRsNkssnEnvXzNqg.jpg)

![KLOSTAIN Cabin Bag 40x20x25 20L carry-on backpack — 4](https://www.ofertitastop.com/i/lBiC8vWejI-jRiHmv3qO6P1MMy7qbvOCcZVWs8sTBHiU_OyYVqry7ZqCzzP8w00ehRHzapzUFgaiZsCJJUyTcekUS8bBRGr9118jU0w68w1gL14dEu0WYISOsg.jpg)

![KLOSTAIN Cabin Bag 40x20x25 20L carry-on backpack — 5](https://www.ofertitastop.com/i/sngxN85XQv0yttCLoCKm5nuWx3WuB-RKzHc-Ns-9sVMBp3HIKH4xroDiEvOzFN_483bc_hulHeRI4uch0NUM4DF-vTtbvPmvOfdbCHoH2MIV8brB9th9X6nCcg.jpg)