From city commutes to weekend hikes - this backpack has your back.
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Color: Black
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Material: Durable Polyester
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Size: 30 x 16 x 49 cm
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Capacity: 23.5L (Expandable to 28.8L)
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Fits Laptop Size: Up to 15.6 inches
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USB Port: Built-in external USB charging port
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Waterproof: Yes
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Anti-Theft Features: Hidden zippers and back pocket
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Expandable main compartment adapts to your storage needs
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Integrated USB port for convenient device charging on the go
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Water-resistant polyester protects your gear in unpredictable weather
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Padded compartment keeps laptops up to 15.6" safe and secure
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Anti-theft design with hidden back zipper for added peace of mind
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Ergonomic, padded shoulder straps for all-day comfort
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Ideal for travel, work, hiking, and daily use
Designed for modern lifestyles, the Expandable Multifunction Laptop Backpack blends versatility, durability, and smart features in one sleek package. Whether you're commuting to work, heading to class, or embarking on an outdoor adventure, this backpack keeps your essentials organized and protected. With a spacious design that expands from 23.5L to 28.8L, there's room for everything from laptops to gym gear.
Crafted from high-quality waterproof polyester, the backpack stands up to the elements, while the built-in USB charging port ensures you stay powered up wherever you roam. Thoughtful anti-theft features like hidden zippers and a secure back pocket offer extra security on the move. Comfort meets functionality with ergonomic shoulder straps, making it the ultimate companion for the active and tech-savvy traveler.
At Primebay, we’re committed to making your shopping experience seamless and worry-free. Below you’ll find details on how we process and deliver orders within Australia.
Order Processing
Orders are processed within 1–2 business days after payment confirmation.
Once shipped, you’ll receive a confirmation email with tracking details.
Shipping Times
Our products are shipped directly from our trusted suppliers. Delivery times vary depending on the item and supplier location:
Standard Shipping (Australia-wide): 5–10 business days
Remote/Rural Areas: May require additional 3–5 business days
(Note: Delivery times are estimates and may be affected by , weather conditions, or peak holiday periods.)
Shipping Fees
Free standard shipping on all orders.
Tracking Your Order
All orders come with tracking.
Tracking details may take 2–4 business days to update after dispatch.
Incorrect Address
Please ensure your delivery details are correct when placing your order.
Primebay is not responsible for delays or lost parcels due to incorrect addresses.
Delays & Lost Packages
If your order has not arrived within 30 business days, please contact us at for assistance.
In the case of a lost package, we’ll send a replacement or issue a full refund.
Warranty & Returns
1. Change of Mind Returns
We offer a 30-day Change of Mind return policy, giving you confidence when shopping with us.
If you change your mind about your purchase, you can return your item within 30 days of receiving it for a full refund.
To be eligible for a Change of Mind return:
The item must be unused, unworn, and in its original packaging (including all accessories, tags, and manuals).
You must provide a receipt or proof of purchase.
No restocking fees apply.
Return postage for Change of Mind returns may be at the buyer’s expense, unless otherwise stated.
Please contact us before sending your return to obtain instructions and ensure smooth processing.
2. Warranty & Faulty Items
All our products are covered by a 12-month warranty against manufacturing defects.
If your item develops a fault within the warranty period, please contact us so we can assist with a repair, replacement, or refund, in line with the Australian Consumer Law (ACCC Consumer Guarantees).
To process a warranty claim, you may be asked to provide:
A detailed description of the issue, and
Clear photos or videos showing the fault.
Please note that warranty claims do not apply to damage caused by misuse, neglect, or normal wear and tear.
3. Need Help?
If you have any questions about returns or warranty claims, please contact our customer service team — we’re happy to help.