Tigernu
Expandable Travel Backpack for Work, Business & Weekend Trips
Expandable Travel Backpack for Work, Business & Weekend Trips
Designed for professionals and travelers who need extra space without sacrificing comfort, the TIGERNU T-B3905 expands from 23L to 38L while keeping your gear organized and protected.
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✓ Lifetime Warranty ✓ Secure Checkout ✓ Global Shipping in 24 Hours ✓ Exclusive double-layer anti-theft lockable zipper, enhancing security
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Why You'll Love It
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Expandable When You Need More Space
Expand from 23L to 38L in seconds, giving you extra room for clothing, shoes and travel essentials without carrying a second bag. Perfect for overnight trips, business travel and weekend getaways.
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Organized Storage for Everyday Carry
Multiple compartments keep your laptop, tablet, chargers, documents and accessories neatly organized so you can quickly find what you need whether you're commuting or flying.
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Comfortable for Long Days
Breathable back padding, ergonomic shoulder straps and an adjustable fit help reduce fatigue during commuting, airport transfers and extended travel.
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Built for Daily Durability
Made from splash-resistant 300D Oxford fabric with reinforced stitching and TIGERNU's patented lockable zipper to keep your belongings protected wherever you go.
One Backpack. Every Journey.
Whether you're heading to the office, catching a flight or packing for a weekend adventure, the T-B3905 adapts to your schedule with expandable storage and smart organization.
Expand Your Capacity in Seconds
Need extra space for a short trip?
Simply unzip the expansion compartment to increase storage from 23L to 38L, giving you room for clothing, shoes, toiletries and travel essentials without switching bags.
Everything Has Its Place
Separate compartments help organize your laptop, documents, chargers, headphones, clothing and daily accessories so everything stays easy to find throughout your journey.
Protect Your Laptop Wherever You Go
A dedicated padded compartment securely fits laptops up to 19 inches, helping reduce impact during daily commuting and travel.
Expand Your Capacity in Seconds
Need extra space for a short trip?
Simply unzip the expansion compartment to increase storage from 31L to 39L, giving you room for clothing, shoes, toiletries and travel essentials without switching bags.
Stay Connected on the Move
The external USB charging port lets you conveniently connect your power bank inside the backpack while charging your phone on the go. An external earphone port makes listening to music more convenient during commuting and travel.
Protect Your Personal Information
The built-in RFID-blocking pocket helps protect credit cards and passports from unauthorized scanning, providing extra peace of mind while traveling.
The built-in RFID-blocking pocket helps protect credit cards and passports from unauthorized scanning, providing extra peace of mind while traveling.
Travel Made Easier
The rear luggage strap slides securely over your suitcase handle, making airport travel smoother and reducing shoulder strain.
Built for Years of Travel
Constructed from splash-resistant and scratch-resistant 300D Oxford fabric, the T-B3905 is designed to withstand daily commuting, business travel and frequent use.
Comfort That Lasts All Day
Wide padded shoulder straps, breathable mesh back padding and an ergonomic carrying system help distribute weight evenly for greater comfort on long journeys.
Wide padded shoulder straps, breathable mesh back padding and an ergonomic carrying system help distribute weight evenly for greater comfort on long journeys.
Size Cards
15.6"
Capacity: 23L
Laptop: 15.6"
Dimensions: 43×29×16cm
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17"
Capacity: 26L
Laptop: 17"
Dimensions: 46×31×18cm
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19"
Capacity: 23L–38L
Laptop: 19"
Expandable: 49*32*20(+6)
FAQ
Does the backpack fit under an airplane seat?
The 15.6-inch version fits under most airline seats, while the expanded 19-inch version is better suited for overhead compartments.
Can I use the USB charging port without a power bank?
No. The USB port connects to your own power bank, allowing you to charge devices more conveniently while you're on the move.
Is the backpack waterproof?
The backpack is made from splash-resistant 300D Oxford fabric, which helps protect your belongings from light rain and accidental splashes. It is not designed for full waterproof submersion.
Can it hold clothes for a weekend trip?
Yes. The expandable 38L version offers enough space for clothing, toiletries and daily essentials for short business trips or weekend travel.
What size laptop does it fit?
The backpack is available in versions that fit laptops up to 15.6 inches and 19 inches, each with a dedicated padded compartment.
Looking for more anti-theft backpacks for commuting, business travel or everyday carry?
Product Specifications
| Brand | Tigernu |
| Model number | T-B3905 |
| Type | Backpack |
| Color | Black;Gray |
| Fit in iPad size | 15.6/17/19 inche |
| Size | 45*30*15cm |
| Style | Leisure |
| Material | Splashproof & scratch resistant 300D Oxford |
| Feature | Splashproof; With USB Charging; RFID Pocket |