Lossga 45 × 36 × 20 cm Underseat Travel Backpack

The Lossga underseat travel backpack is listed at 45 x 36 x 20 cm with a stated 30-litre capacity. Its laptop compartment, multiple pockets and adjustable harness suit travellers wanting organised hand luggage, though airline cabin-bag rules can vary.

At a glance

Designed and marketed as underseat cabin luggage, with a stated 30-litre capacity.
Dedicated laptop compartment is listed for devices up to 15.6 inches.
Wet pocket, concealed anti-theft pocket and trolley strap are described in the listing.
Manufacturer describes a 90–180 degree opening for security checks and padded, breathable shoulder straps.

Price

£16.99Save 15%

Reference price: ~~£19.99~~

Price checked: 12 Nov 2026

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Pros and cons

Pros

The stated 30-litre capacity and multiple storage pockets support organised packing for short trips.
The listed laptop compartment and trolley strap are useful for travel with electronics and rolling luggage.
Adjustable, S-shaped shoulder straps and a padded back panel are specified for carrying comfort.

Technical specifications

16 specifications

Identity and size
Brand	Lossga
Product type	Daypack Backpack
Listed size	45 x 36 x 20 cm
Dimensions (D x W x H)	20D x 36W x 20H centimetres
Capacity	30 Liters
Colour	Dark Black

Storage and access
Maximum compatible device size	15.6 Inches
Pocket count	10
Listed pocket types	Wet Pocket, Passport Pocket, Powerbank Pocket, Side Water Bottle Pocket, Utility Pocket, Phone Pocket, Map Pocket, Keys Pocket, Electronics Pocket
Closure	Zipper

Materials and protection
Material	Polyester
Shell type	Soft Shell
Water resistance listed	Water Resistant

Carry and care
Strap type	Adjustable
Harness type	S-Curve Harness
Care instructions	Hand Wash Only

What to know before buying

Listing details to confirm

The listing identifies the bag as 45 x 36 x 20 cm, while its separate D x W x H entry is 20D x 36W x 20H centimetres, so the height and overall dimensions are inconsistent. The listing also promotes a 90–180 degree security-check opening and anti-theft features, but their operation is not independently confirmed. It warns that manual measurements may differ by 2–3 cm. Check the selected bag's measurements against your airline's current allowance before travel.

Who is it for?

A good fit for

Travellers seeking a soft-sided underseat backpack for short trips and airport hand luggage.
People who want a separate laptop compartment, wet pocket and multiple small-item pockets.
Those who prefer adjustable shoulder straps and a luggage trolley strap.

Less suited to

Buyers who need independently verified dimensions or guaranteed acceptance under a particular airline's cabin-bag rules.
Anyone needing a rigid-shell case or a laptop compartment larger than the listed 15.6-inch maximum.

Lossga 45 × 36 × 20 cm Underseat Travel Backpack · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.7 / 5 · 2,087 ratings

5 stars83%83%
4 stars10%10%
3 stars4%4%
2 stars2%2%
1 star1%1%

Customer feedback highlights perceived quality, useful storage, fit under plane seats and comfort, including comments about padded shoulder straps. These impressions suit buyers considering it for short trips, although they do not establish that the bag will fit every airline's allowance. The overall rating distribution is mostly five-star, with a smaller spread of lower ratings, but it does not explain individual reasons for those ratings.

Positive themes

Customers describe the bag as useful for short trips and airport hand luggage, with storage pockets appreciated.
Feedback mentions under-seat fit and comfortable carrying.

Frequently asked questions

What size is this backpack listed as?

The listing gives a size of 45 x 36 x 20 cm, but its separate D x W x H field reads 20D x 36W x 20H centimetres. Because these details conflict, verify the selected listing's measurements and your airline's allowance.

What laptop size does the compartment accommodate?

The stated compatible device size maximum is 15.6 inches. The listing does not provide the compartment's internal measurements.

Is the backpack water-resistant?

The product details list it as water-resistant and made from polyester. This does not establish waterproofing.

How should it be cleaned?

The care instructions say hand wash only.