WONHOX 387808 Vacuum-Compression Travel Backpack, 40 L

The WONHOX 387808 travel backpack pairs a detachable vacuum-compression bag with an electric pump for packing clothes more compactly. Its listed 40-liter capacity and claimed carry-on fit may appeal to travelers, but fit can vary by airline and customer feedback is mixed on durability and weight.

At a glance

Removable vacuum bag can be detached for independent use or removed to return the backpack to regular storage mode.
Listing says the included electric pump compresses the vacuum bag and can also inflate items. Air can also be released manually.
Interior pockets and a front organizer are described for separating travel essentials.
Listing claims the design is intended for carry-on use and fits under most airplane seats, while customer reports differ by airline.

Price

$27.99Save 50%

Reference price: ~~$55.99~~

Price checked: Nov 14, 2026

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Pros and cons

Pros

Removable compression bag offers a choice between vacuum packing and ordinary backpack storage.
The described pump supports both compression and inflation, with manual air release as another option.
Organizer pockets and adjustable straps support varied packing and carry preferences.

Cons

Customer feedback is mixed on durability, including reports of the inside mesh ripping after a few uses.
Customer feedback also differs on weight, with some finding it lightweight and others finding it heavy.

Technical specifications

13 specifications

Identity and capacity
Model	387808
Capacity	40 liters
Size	Large
Dimensions (D × W × H)	5.51"D x 13.78"W x 18.5"H
Style	Travel
Design	Daypack Backpack

Materials and protection
Material	Polyester
Water resistance listed	Water Resistant
Color	A37-beige

Carry and closure
Strap type	Adjustable
Closure	Zipper
Pattern	Solid
Age range	Adult

What to know before buying

Listing details to confirm

The listing calls the pack 40 liters and promotes carry-on and under-seat use, but customer reports conflict on aircraft fit, including on JetBlue. Confirm the selected airline's size rules. The exterior is described as water-repellent and the core as waterproof, while the technical listing only specifies “Water Resistant,” so the stronger waterproof claim is unconfirmed. The pump is described as electric, but its power source is not stated.

Who is it for?

A good fit for

Travelers who want a removable vacuum-compression compartment alongside regular backpack storage.
People packing clothes for short trips who may benefit from compressing soft items and organizing smaller essentials.

Less suited to

Anyone who needs assured fit across airlines or a confirmed under-seat size without checking the carrier's limits.
Buyers who prioritize consistently documented durability or a known packed weight.

WONHOX 387808 Vacuum-Compression Travel Backpack, 40 L · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.3 / 5 · 872 ratings

5 stars71%71%
4 stars13%13%
3 stars7%7%
2 stars2%2%
1 star7%7%

Customer feedback highlights room for substantial clothing loads, useful storage pockets and a travel-friendly design, with some people reporting overhead fit. Experiences are mixed on airline fit, durability and weight. These differences matter for a 40-liter pack advertised for carry-on use: verify dimensions against the airline and weigh durability and load comfort against the compression and organization features.

Positive themes

Customers describe the bag as spacious and travel-friendly, and mention its pockets, color and perceived value positively.

Mixed feedback

Reports differ on aircraft fit, including whether it fits on JetBlue.
Durability feedback is mixed, including reports of the inner mesh ripping after a few uses.
Customers disagree on whether the backpack feels lightweight or heavy.

Frequently asked questions

Does this backpack include a pump?

The listing says an electric pump is included and describes it for compressing the bag and inflating items. It does not state the pump's power source.

Can I remove the vacuum bag?

Yes. The listing describes the vacuum bag as removable, usable independently, and detachable to restore regular backpack storage.

Will it fit under every airline seat?

That is not assured. The listing claims it fits under most airplane seats, while customer feedback reports differing fit, including a report that it did not fit on JetBlue. Check your airline's current limits.

Is the backpack waterproof?

The technical details list it as water resistant. The listing separately makes stronger claims about a water-repellent exterior and waterproof core, which are not confirmed by that technical specification.