JANSPORT Union Pack Backpack, 27 L

The JANSPORT Union Pack is a 27-litre backpack listed for school, leisure and work. Its padded 15-inch laptop sleeve and several pockets support separated everyday storage, while the listing gives conflicting material and dimension details that are worth checking before purchase.

At a glance

Padded sleeve is described for a 15-inch laptop.
Front zip pocket and flap pocket supplement the main compartment.
Shoulder straps and the back are described as padded, with a top carry handle also mentioned.

Price

£36.00Save 20%

Reference price: ~~£45.00~~

Price checked: 14 Nov 2026

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Pros and cons

Pros

A padded laptop sleeve and several named pocket types give school or work items separate places to go.
Listed capacity is 27 L, with intended uses including school, leisure and work.
The product is described as water resistant, though no degree of protection is specified.

Technical specifications

20 specifications

Identity
Brand	JanSport
Model	Union Pack
Style	Unisex
Colour	Black

Capacity and layout
Capacity	Capacity: 27 L, Dimensions: 42 x 32 x 14 cm
Pockets listed	5
Compartments listed	4
Zippered compartments listed	3
Pocket description	Main Compartment, Front Zippered Pocket, Laptop Sleeve, Front Flap Pocket

Dimensions and carrying
Dimensions	13D x 30W x 42H centimetres
Weight listed	0.5 Kilograms
Strap type	Shoulder Strap

Materials and protection
Material listed	60% Cotton, 40% Polyester
Water resistance listed	Water Resistant
Outer material	Cotton
Shell type	Soft Shell

Laptop and use
Maximum compatible device size	15 Inches
Laptop sleeve	15 inch padded laptop sleeve
Recommended uses	Leisure, School, Work
Care instructions	Machine Wash

What to know before buying

Listing details to confirm

The listing gives inconsistent measurements: one field says 42 x 32 x 14 cm, while another says 13D x 30W x 42H centimetres. Material details also conflict, with 60% Cotton, 40% Polyester listed alongside cotton outer material and lining. Confirm the selected product's dimensions and fabric before buying. The listed water resistance has no stated rating or rain-use conditions.

Who is it for?

A good fit for

Students wanting a backpack with a padded sleeve listed for laptops up to 15 inches.
People looking for a 27-litre everyday bag with separate front pockets for school, leisure or work.

Less suited to

Buyers who need confirmed exact dimensions or a clearly reconciled fabric composition.
Anyone requiring a specified waterproof rating or confirmed protection for prolonged heavy rain.

JANSPORT Union Pack Backpack, 27 L · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.6 / 5 · 234 ratings

5 stars80%80%
4 stars9%9%
3 stars3%3%
2 stars5%5%
1 star3%3%

Customer feedback highlights perceived good quality and useful storage, including multiple pockets for school use. These comments fit the listed pocket layout and 27 L capacity, but they do not resolve the listing's conflicting dimensions and material details. The overall rating distribution is mostly five-star, with a smaller spread across lower ratings, so experiences are not uniformly positive.

Positive themes

Customers describe the backpack's quality positively.
Customers appreciate its storage capacity and multiple pockets for school use.

Frequently asked questions

What laptop size does the Union Pack sleeve accommodate?

The listing describes a padded sleeve for a 15-inch laptop and gives a maximum compatible device size of 15 Inches.

How much can the backpack hold?

The listing states a 27 L capacity. Its dimensions are inconsistent across fields, so confirm the size if measurements are important.

Is this backpack waterproof?

It is described as water resistant, but the listing does not specify a rating or conditions. It does not establish waterproof protection.

What pockets are listed?

The description names a main compartment, front zippered pocket, laptop sleeve and front flap pocket. Other listing fields give counts of 5 pockets, 4 compartments and 3 zippered compartments.