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This casual backpack is designed as a practical solution for those needing a manageable day bag for daily activities. With a capacity under 20 litres, it balances carrying space with a compact form factor, making it suitable for commuting, light travel or general everyday use. The polyester material contributes to a lightweight build, and the breathable function aids comfort during periods of extended wear. Available in black, dark grey or green, it offers colour options to match different preferences while maintaining a neutral design suitable for various settings.
This section outlines the backpack's measurable specifications and how its construction supports practical use.
Understanding where and how this backpack functions best helps clarify its role in various scenarios.
This section examines the practical advantages and considerations for potential buyers.


Casual backpack under 20L capacity with polyester construction, breathable function, cover type opening, internal zipper pocket and computer compartment in black, dark grey or green colour for men's and unisex daily use
£58.98
Sale price
£58.98
Regular price
Casual Backpack Under 20L with Polyester Construction and Internal Organisation

Features and Construction

Material and Build
The backpack uses polyester as its primary construction material. Polyester is recognised for its lightweight properties and durability in casual bag applications. The source text specifically mentions a breathable function, which suggests attention to comfort during use, particularly when the bag is worn against the body for longer durations. The material choice supports a structure that can hold its shape while remaining flexible enough for daily packing and unpacking routines.Size and Practical Fit
The backpack's capacity is specified as under 20 litres. This measurement indicates a compact size suitable for carrying daily essentials such as a laptop, documents, a water bottle and personal items without the bulk associated with larger travel or hiking backpacks. The cover type opening mechanism provides a straightforward way to access the main compartment, which can be particularly useful in situations where quick retrieval of items is needed. The internal organisation includes both a zipper pocket and a computer pocket, helping to separate and protect contents.Uses and Placement

Event or Professional Use
For professional settings or events, the backpack's neutral colour options and clean design allow it to blend into work or business environments. The dedicated computer pocket offers protection for laptops or tablets during the commute to and from the office or client meetings. The under 20L capacity is typically sufficient for a laptop, charger, notebook and a few additional items, making it a viable option for those who prefer a backpack over a briefcase or messenger bag for better weight distribution.Everyday Home Use
In everyday contexts, such as running errands, visiting friends or casual outings, the backpack provides a hands-free carrying solution. The breathable function mentioned in the source text can contribute to comfort during warmer weather or when walking longer distances. The internal zipper pocket offers a secure place for valuables like wallets, keys or phones, while the general compartment accommodates items like a light jacket, snacks or shopping purchases. Its unisex designation means it can be used by different household members.Benefits and Buying Value

Reuse and Low Maintenance
Polyester as a material generally offers resistance to wrinkles and moisture, which can simplify maintenance. The straightforward design without excessive padding or complex compartments may make the backpack easier to clean and care for over time. As a wholesale product, it represents a value-oriented option for those prioritising function over premium branding or specialised features. The colour choices of black, dark grey and green are versatile and less likely to show everyday wear compared to lighter shades.Why Choose This Product
This backpack is positioned for users seeking a no-fuss, practical bag with clear organisational features. The inclusion of both a zipper pocket and a computer pocket addresses a common need for separating and protecting electronic devices from other contents. The under 20L capacity defines its scope as a day bag rather than an extended-travel solution, which helps set accurate expectations. For those who prefer a backpack with a cover type opening—as opposed to a full zipper around three sides—this design offers a specific user experience that some find more intuitive for quick access.

