Large capacity computer bag in oil-wax PU leather with waterproof function, 36-55L cross-border fashion schoolbag with rivet detailing, suitable for male students and leisure travel.
Waterproof Computer Bag in Oil-Wax PU Leather with 36-55 Litre Capacity

This computer bag is designed for students and travellers who require a reliable and spacious carry solution. It combines practical function with a specific aesthetic, offering a substantial 36 to 55 litre capacity housed within a bag made from oil-wax finished PU leather. The waterproof feature adds a layer of protection for contents, making it suitable for daily commutes in changeable weather or for leisure trips. Its cross-border fashion style, accentuated by rivet detailing, provides a look that transitions from academic to casual environments.
Features and Construction

The bag's design prioritises capacity and a particular material finish. Its construction centres on a synthetic leather known for its oil-wax treatment, which gives the surface its characteristic sheen and texture.
Material and Build
The primary material is PU leather treated with an oil-wax finish, creating a durable and water-resistant exterior. Decorative metal rivets are incorporated into the design, contributing to its cross-border fashion style. Inside, the main compartment is lined with polyester fabric, providing a smooth surface for contents and aiding in the bag's overall structure.
Size and Practical Fit
The bag's key specification is its generous capacity, which spans from 36 to 55 litres. This volume is suited for carrying a laptop, multiple textbooks, notebooks, and personal items like a change of clothes or toiletries. It is presented in a solid black colourway and is designated as applicable for male users, suggesting a design and proportion tailored to that demographic.
Uses and Placement

Its combination of large capacity and stated functions makes it applicable for several key scenarios, from educational to recreational use.
Event or Professional Use
As a computer bag, it is fundamentally designed to transport and protect a laptop alongside other work or study essentials. The waterproof function is a practical benefit for professionals or students commuting on foot or by bicycle, where electronics and documents need shielding from rain. The smart-casual aesthetic of the oil-wax leather and rivets allows it to be used in environments where a purely sporty rucksack may be less appropriate.
Everyday Home Use
For leisure travel, its 55-litre maximum capacity approaches that of a small travel backpack, capable of holding packing cubes, a tablet, travel documents, and a light jacket. The solid black colour and structured look help it blend in during city breaks or short trips. At home or on campus, it serves as a primary carrier for daily academic loads, with the capacity to handle gym kit or shopping in addition to study materials.
Benefits and Buying Value

The value of this bag lies in its defined specifications and material choice, offering a clear alternative to fabric or standard synthetic backpacks.
Reuse and Low Maintenance
The PU leather construction, particularly with an oil-wax finish, typically requires less frequent cleaning than fabric bags and can be easily wiped clean of surface dirt and moisture. Its waterproof nature adds to its practicality over time, potentially reducing the need for separate rain covers. The structured nature of the materials may help the bag retain its shape with use, supporting repeated packing and unpacking cycles.
Why Choose This Product
Choose this bag if your primary requirements are a large, stated capacity (36-55L) and a preference for a leather-look aesthetic over nylon or canvas. The specified oil-wax finish and rivet detailing offer a distinct style within the computer bag category. The inclusion of a waterproof function addresses a core practical need for many users, providing a defined level of protection that standard bags may not offer.

