KLOSTAIN 45 × 36 × 20 cm 30L Cabin Backpack

KLOSTAIN’s cabin backpack is listed at 45 × 36 × 20 cm with a 30-litre capacity and a laptop compartment. Its organised pockets and padded shoulder straps suit short trips and everyday carry, but the listing gives conflicting laptop-size claims.

At a glance

The listing gives dimensions of 45 × 36 × 20 cm and a 30-litre capacity, intended for under-seat or overhead cabin use.
The described layout includes a main compartment with compression strap, laptop section, quick-access front pocket, two mesh pockets, wet pocket and rear pocket.
Padded adjustable shoulder straps and a padded airflow-style back are described for backpack carry.
The title says the bag fits a 14-inch laptop, while another specification states a maximum compatible device size of 15.6 inches. Check the actual compartment dimensions before purchase.

Price

£28.46Save 21%

Reference price: ~~£35.99~~

Price checked: 12 Nov 2026

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Pros and cons

Pros

Multiple described pockets and compartments help separate travel items, electronics and wet belongings.
Padded adjustable straps and a top handle offer backpack and hand-carry options.
The stated 30-litre capacity and cabin-sized dimensions target short trips and budget-airline travel.

Technical specifications

25 specifications

Identity and capacity
Brand	Guangzhou Yueke Leather Co., Ltd.
Capacity	30 Liters
Dimensions (D × W × H)	20D x 36W x 45H centimetres
Listed size	45 x 36 x 20cm-30L
Colour	Black

Materials and protection
Material listed	100% polyester
Water resistance listed	Water Resistant
Outer material	Polyester
Shell	Soft Shell
Care	Hand Wash Only

Storage and carry
Laptop compartment	Laptop Compartment
Maximum compatible device size	15.6 Inches
Pockets	5
Compartments	4
Closure	Zipper
Strap type	Padded Strap
Harness type	Shoulder Harness
Fit	Adjustable

Other listed details
Pocket description	Utility Pocket
Fabric stretch	No Stretch
Fabric weight class	Lightweight
Recommended uses	air travel, daily use, school, work, hiking
Age range	Adult
Pattern	Solid
Style	Minimalist

What to know before buying

Listing details to confirm

The listing is inconsistent about laptop fit: its title and feature text mention up to 14 inches, while the details specify 15.6 inches. Confirm the compartment dimensions and check the airline's current cabin-bag rules, since the stated bag dimensions do not guarantee acceptance or fit when packed.

Who is it for?

A good fit for

Travellers wanting a soft-sided backpack listed at 45 × 36 × 20 cm for cabin use.
People who value multiple pockets, a separate laptop section and wet-item storage for short trips.
Commuters or students looking for a polyester backpack with padded, adjustable shoulder straps.

Less suited to

Buyers who need a confirmed laptop fit without checking compartment measurements.
Travellers needing a hard-shell case or a confirmed airline acceptance guarantee.

KLOSTAIN 45 × 36 × 20 cm 30L Cabin Backpack · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.6 / 5 · 8,435 ratings

5 stars78%78%
4 stars15%15%
3 stars4%4%
2 stars1%1%
1 star2%2%

Customer feedback highlights useful pocket organisation, space for short trips, shoulder comfort and reported under-seat fit on budget-airline journeys. Those impressions align with the listed compartments, 30-litre capacity and padded straps, but they do not resolve the listing's conflicting laptop-fit claims or guarantee acceptance by a particular airline. The aggregate rating is mostly favourable, with a smaller spread of lower ratings, but ratings alone do not establish specific drawbacks.

Positive themes

Customers are reported to appreciate the pockets, perceived quality, durability and shoulder comfort.
The supplied feedback describes the bag as practical for short trips and as fitting under budget-airline seats.

Frequently asked questions

What size is this backpack?

The listing specifies 20D x 36W x 45H centimetres and also describes the size as 45 x 36 x 20cm-30L. It gives the capacity as 30 Liters.

What laptop size does it fit?

The claims conflict. The title and feature description say up to 14 inches, but the product details list a maximum compatible device size of 15.6 Inches. Check the compartment dimensions before buying.

Is it suitable for airline cabin use?

The listing presents it as a 45 × 36 × 20 cm cabin backpack for under-seat or overhead use. Airline allowances vary, so confirm the relevant carrier's current rules and measure the packed bag.

How should the backpack be cleaned?

The listed care instruction is Hand Wash Only.