# KLOSTAIN 40 × 30 × 20 cm 24 L Cabin Backpack

The KLOSTAIN cabin backpack is listed at 40 × 30 × 20 cm with a 24-litre capacity, a padded laptop sleeve and multiple organised pockets. Its dimensions and capacity suit buyers seeking compact underseat-style hand luggage, but airline acceptance depends on the carrier’s current rules and how the bag is packed.

- [Original product page](https://bargainpostbox.co.uk/product/klostain-40-30-20-cabin-backpack)
- [View offer](https://bargainpostbox.co.uk/visit/klostain-40-30-20-cabin-backpack)
- Market: UK
- Language: en-GB
- Currency: GBP
- Brand: KLOSTAIN
- Category: Fashion & Accessories > Bags & Luggage > Backpacks
- Price: 29.98 GBP
- Previous price: 36.99 GBP
- Discount: 19%
- Price checked: 2026-11-12T15:05:33.708Z
- Rating: 4.6 / 5
- Reviews: 8435

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

- Listing describes a 24 L bag measuring 40 × 30 × 20 cm, intended for cabin and underseat travel.
- A separate padded laptop sleeve is claimed, with a listed maximum device size of 15 inches.
- The listing specifies six pockets, five compartments and five zipped compartments.
- Features described include a wet pocket, two side mesh pockets, compression straps and an anti-theft back pocket.
- Padded, adjustable shoulder straps and a ventilated back panel are claimed for carrying comfort.

## Pros

- Multiple pockets and compartments can help separate clothing, toiletries and electronics.
- A dedicated padded laptop sleeve and quick-access front pocket are useful for travel essentials.
- The 24 L capacity and listed dimensions make it a compact option for short trips and airline hand luggage.

## Specifications

### Identity and capacity
- Brand: Guangzhou Yueke Leather Co., Ltd.
- Capacity: 24 Liters
- Dimensions (D × W × H): 20D x 30W x 40H centimetres
- Listed size: 40x30x20cm-24L
- Colour: Light Pink
- Design: Laptop Backpack
- Recommended use: Travel
- Items: 1
### Materials and protection
- Material listed: 100% polyester
- Water resistance listed: Water Repellent
- Outer material: Polyester
- Shell type: Soft Shell
### Storage and carry
- Pockets: 6
- Compartments: 5
- Closure: Zipper
- Strap type: Padded Strap
- Harness type: Shoulder Harness
- Maximum compatible device size: 15 Inches

## Before you buy

- Airline compatibility is a listing claim, not a guarantee of acceptance. Check the current size and underseat rules for your specific fare and carrier, and allow for the bag’s packed shape.
- The specification lists a 15-inch maximum compatible device, while the feature text only describes a separate padded laptop sleeve without stating its size. Confirm fit for your device. The title names Ryanair, easyJet, Eurowings and Wizz Air, while feature text also names British Airways, so the stated airline compatibility is inconsistent. The maker field gives Guangzhou Yueke Leather Co., Ltd. as the brand although the product title and brand field say KLOSTAIN. The listed six pockets, five compartments and five zipped compartments are not reconciled with the feature descriptions. Water-repellent protection is claimed, with no waterproof rating stated. These listing details are unconfirmed and do not establish a product defect.

## A good fit for

- Travellers looking for a compact backpack with a stated 24 L capacity and organised storage.
- Buyers who want a separate laptop sleeve and quick-access pockets for airport essentials.
- People who prefer padded shoulder straps for carrying a cabin bag through terminals.

## Less suited to

- Anyone who needs a guaranteed airline allowance or a bag confirmed for a particular fare without checking that carrier’s current rules.
- Buyers needing a confirmed fit for a laptop larger than the listed maximum of 15 inches.

## Customer feedback

Customer feedback highlights organisation, space for short trips, airline-seat fit and comfortable shoulder padding. Those reported impressions are relevant to a 24 L backpack with multiple listed compartments and padded straps, but they do not establish airline acceptance for every fare or confirm laptop fit. The aggregate rating distribution is largely five- and four-star, alongside a smaller share of lower ratings, and does not explain individual experiences.
- Positive themes: Customers are reported to appreciate the pocket organisation and room for travel essentials.
- Positive themes: Feedback describes the bag as practical for short trips and comfortable to carry.

## Frequently asked questions

### What size and capacity does the listing give?
It states 40x30x20cm-24L and gives dimensions of 20D x 30W x 40H centimetres.
### Will this backpack be accepted by my airline?
The listing claims compatibility with several airlines, but acceptance depends on the airline’s current rules, fare and packed bag dimensions. Check those before travelling.
### What laptop size does it support?
The details list a maximum compatible device size of 15 Inches. The feature description does not specify the sleeve dimensions, so check the fit of your particular device.
### Is the backpack waterproof?
The listing describes it as Water Repellent, not waterproof. No waterproof rating is provided.

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## Images

![KLOSTAIN 40 × 30 × 20 cm 24 L Cabin Backpack — 1](https://bargainpostbox.co.uk/i/Whb67VtLFRc8hpT7FRAX-1QnXJp11RywEpzFyZAZZBmQy2oVzgARk_zOA___hqLXZGlaBdCQxJFrYas1LCPWOQkXAxd11esAyvjq6uroajV_FUrHCgMX-izP.jpg)

![KLOSTAIN 40 × 30 × 20 cm 24 L Cabin Backpack — 2](https://bargainpostbox.co.uk/i/6EMRu0peMNouJUUi12LFU-r16sjhbusIYTWlxe7r1uc_MTG87_540p5QJnDJFq1M14GBo65HICrWw5ZCwAokV6F1qZWWPgWZLav8sIzMfpTe1pKgHiefcl89.jpg)

![KLOSTAIN 40 × 30 × 20 cm 24 L Cabin Backpack — 3](https://bargainpostbox.co.uk/i/VITk_ffS1yQBEhY4_gp5cspkQagxfSVlP0_Eioh21jUh48iRvz0uqULtxd1JrAwVR4aljes3hf1CmQiECOKnLuTm8uHAtcRi-RWEsH98vQyp85IXxduKnqp2.jpg)

![KLOSTAIN 40 × 30 × 20 cm 24 L Cabin Backpack — 4](https://bargainpostbox.co.uk/i/I0Zj7sxRFtyt6T9F89cC9hYLiz6K0Tc6emNB2zjq_zWpqSZSZFeTEZ0e9o_C0yegfeAAtHhPIkigALP7LzLuRxo01m8PxG-PV8YpzRrVpAgScaOGIaDCrYxd.jpg)

![KLOSTAIN 40 × 30 × 20 cm 24 L Cabin Backpack — 5](https://bargainpostbox.co.uk/i/nZfecdK4ifvSfVzIBVON-LLbQidwSy_HsAWj0X5swVDSVOGpgo7SRCMGgnN-1n4rL31OtMjDD_Ccuxoqwt72c3Lx_sHY5xd41BC38xsqmObZXEm1oBzD1DTa.jpg)

![KLOSTAIN 40 × 30 × 20 cm 24 L Cabin Backpack — 6](https://bargainpostbox.co.uk/i/okaduQqaF2vre4ApVbyfJfPUd0qH5U2MUgPPOr8vZaJ87ZSwDhzWl8wLluof13qI167spAIrLcwEM3jrNkEbKU4Z-TqmO7aQQ2S-qdj5FIV_3wynBESXkq3v.jpg)