Lekeinchi rolltop backpack for men and women (pink) – waterproof laptop bag for up to 17 inch
Product description
The essentials
A rolltop backpack can be a bit of a love-or-hate thing, but if you like flexible capacity and want a laptop-friendly day bag that can grow for travel days, this Lekeinchi model is worth a careful look. It’s designed to protect a 17 inch laptop, while also offering a waterproof outer layer and a practical back zip for grabbing essentials quickly.
The headline feature is the roll-top closure, which lets the bag expand from a more compact daypack size up to a taller, carry-more setup. In other words, it’s not just “one size”, the shape and height adapt to what you’re hauling that day.
What it’s for (and how it works day to day)
Where this backpack makes sense is in everyday use where your load changes: commute + gym kit, a uni day with extra books, or a short trip that needs layers and a few personal items. The main compartment is spacious enough for clothes, books, a water bottle, wallet and other everyday carry.

On the laptop side, there’s a padded compartment built for a 17 inch laptop and padded against impact. It’s a reassuring detail, because most backpacks either protect a laptop well or they don’t—this one explicitly aims to.
A small, practical touch: there’s a zip opening on the back. Instead of turning the bag over and rummaging from the top, you can reach into the back compartment area when time matters (for example, at a train station or before class).
And for visibility at night, reflective straps are included. They’re not a magic solution, but they can be a welcome safety add-on for evening walks.
Storage flexibility and capacity limits


The bag is listed in two size modes: normal at 26 x 16 x 42 cm, and extended at 26 x 16 x 56 cm. With the roll-top design, the capacity is described as adaptable from 18 to 25 litres.

That range is one reason people choose rolltops in the first place: you can keep it tighter for a lighter day and roll it up higher when you need more headroom. It’s particularly useful if you sometimes carry bulkier items like a thicker book stack, a spare layer, or travel essentials.
Worth noting: the “right” size depends on how you pack. If you tend to overstuff bags regardless, any backpack will feel bulky—this one gives you more flexibility than a fixed-capacity design, but it won’t turn a heavy day into a light one.
Weather protection and build materials
On paper, the outer fabric is waterproof and tear-resistant, with polyester on the inside. The description also says stress points are reinforced for durability.
If you’re dealing with British drizzle, sudden showers on the way home, or you just want some extra confidence when commuting, waterproof fabric is the kind of feature you’ll appreciate more often than you expect.

One limitation to keep in mind: “rainproof” fabric helps, but you’ll still want to pack sensibly. If you regularly carry items that hate moisture (like paper documents or unsealed electronics accessories), it’s wise to use your own small pouches too.
Comfort and carry feel
Comfort here is about sensible padding where it matters. The shoulder straps are described as well padded without squeezing, and the back padding uses fully breathable mesh fabric to support airflow in warmer weather.


That combination is practical if you’re wearing the bag for longer stretches—school, university, or a day of errands. The backpack is positioned as suitable for both men and women, and it’s said to fit well to the back and shoulders of girls, which matters if you’re shopping for someone who doesn’t want a “too stiff/too long” feeling.
Key specs to sanity-check before you buy

Tech specs
- Name: Lekeinchi Rolltop Backpack for Men and Women (Pink)
- Type: Rolltop laptop backpack / daypack / travel backpack
- Laptop size compartment: padded compartment for a 17 inch laptop
- Normal size (H x W x D): 26 x 16 x 42 cm
- Extended size (H x W x D): 26 x 16 x 56 cm
- Capacity range: 18 to 25 litres (depending on roll-top height)
- Opening style: zip opening on the back for easier access
- Safety: reflective straps
Should you buy it?
It’s a solid pick if you want a waterproof rolltop backpack with a dedicated padded 17 inch laptop compartment, plus a back zip for quicker access when you’re moving fast. The expandable volume and the reinforced, rain-focused build approach make it particularly suitable for travel, study, and day-to-day commuting where your load changes.
You may want to skip it if you prefer a rigid, structured backpack that stays the same shape every time, or if you need highly specific organisation features beyond a main compartment and laptop padding (the description focuses more on flexibility than on lots of separate compartments).

It makes the most sense for people who are happy to use the roll-top system and want that “one bag, different days” flexibility. If you prioritise a simple, fixed-size laptop bag, this could feel a bit more adaptable than you need.
Mini FAQ


What does the roll-top design actually change?
It lets you adjust the height and capacity. The listing gives two size modes and describes capacity adapting from 18 to 25 litres, so you can carry more on heavier days without switching bags.
Is the laptop compartment padded?

Yes—there is a padded compartment intended for a 17 inch laptop, described as padded against impact.
How does the back zip help?
The backpack includes a zip opening on the back, making it easier to reach items without rummaging from the top.
Is it suitable if it rains?
The outer layer is described as waterproof and tear-resistant, with reinforced stress points, and the fabric is said to keep contents dry in unsafe weather.
Is it comfortable for longer wear?
The shoulder straps are described as well padded, and the back uses breathable mesh fabric to support comfort in warmer conditions.
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