DUSLANG 30191 17-Inch Laptop Backpack, Purple

Purple: The DUSLANG 30191 laptop backpack is listed for laptops up to 17 inches and combines a multi-pocket layout with a built-in USB charging port. Its 28-liter capacity and luggage strap suit work, school, and travel, while water resistance is a listed claim rather than a waterproof rating.

At a glance

The listing describes a separate laptop compartment and says the bag accommodates devices up to 17 inches. It also mentions a separate compartment for tablets up to 9.7 inches.
Four compartments and 11 listed pockets offer separated storage for work or travel items.
A built-in USB port and internal cable are claimed. Charging still requires a power bank, which is not established as included.
The feature description lists a luggage strap, hidden back pocket, mesh bottle pockets and ventilated back padding.

Price

$39.09Save 15%

Reference price: ~~$45.99~~

Price checked: Nov 13, 2026

View offer

Pros and cons

Pros

Separate laptop compartment is described for devices up to 17 inches.
Multiple compartments and pockets provide options for separating accessories and travel items.
Luggage strap can slide over a suitcase handle for carrying alongside rolling luggage.
Adjustable shoulder straps and padded, ventilated back design are described in the listing.

Cons

Charging through the USB port depends on supplying a power bank separately, and no power bank is established as included.

Technical specifications

24 specifications

Identity and fit
Model	30191
Backpack type	Laptop Backpack
Maximum compatible device size	17 inches
Size	17 Inch
Fit	Slim
Color	Purple
Age range	Adult

Capacity and organization
Storage volume	28 liters
Dimensions (D × W × H)	6"D x 12"W x 19"H
Compartments	4
Pockets	11
Pocket description	Utility Pocket
Closure	Zipper

Materials and protection
Outer material	Nylon
Lining	Polyester
Shell type	Soft Shell
Water resistance listed	Water Resistant
Material type	Water resistant fabric, Nylon
Fabric weight class	Lightweight

Carrying and care
Strap type	Adjustable
Harness type	Shoulder Harness
Stretch	No Stretch
Care instructions	Hand Wash Only
Recommended uses	Leisure, Sport, Travel, Work

What to know before buying

Listing details to confirm

The listing is inconsistent about fabric: technical details name nylon and water-resistant fabric, while a feature description says polyester. The listing also presents its laptop fit as 17 inches and 17/15.6/14/13 inches in different places. Confirm fit for the particular laptop and chosen listing. Water resistance is claimed, not waterproofing, and the USB feature is a port and cable rather than a stated power source.

Who is it for?

A good fit for

Students or commuters who want a multi-pocket backpack with a separate laptop compartment.
Travelers who can use a luggage strap and want a listed water-resistant bag for everyday carry.
Buyers seeking a USB pass-through port and willing to provide their own power bank.

Less suited to

Anyone needing a confirmed waterproof bag or a charging setup that includes its own power bank.
Buyers who need assured fit for a specific laptop without checking its dimensions against the compartment.

DUSLANG 30191 17-Inch Laptop Backpack, Purple · photo 2 — Additional product photo 2

Customer reviews on Amazon

5 / 5 · 12 ratings

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Aggregate ratings are uniformly five-star in a small sample, but there is no customer-comment summary to explain what people liked or how the backpack performs. Treat the ratings as limited context rather than evidence about laptop fit, comfort, water resistance or USB charging.

Frequently asked questions

Does this backpack fit a 17-inch laptop?

The listing gives a maximum compatible device size of 17 inches and describes a separate laptop compartment. It also gives a range of laptop sizes elsewhere, so check the compartment fit against your device dimensions.

Can the USB port charge a phone by itself?

The listing describes an external USB port and an internal cable. It does not establish an included power bank, so you would need to provide a compatible power source.

Is the backpack waterproof?

No waterproof claim is established. The listing calls the material water resistant, so do not treat that as a guarantee against water entering the bag.

Can it attach to rolling luggage?

The feature description says a luggage strap slides over a suitcase's upright handle tube.