TIGERNU B3221C Lightweight Waterproof Compact Backpack with USB Charging Port

Streamline your morning train journeys, university lectures, and weekend holiday travel with the effortless functionality of the TIGERNU B3221C Laptop Backpack. Tailored for students, modern professionals, and frequent flyers who require a spacious layout without a heavy, burdensome frame, this sleek everyday rucksack shifts weight smoothly. It completely cuts out the frustration of bulky, cumbersome luggage, providing a highly organized mobile workspace that keeps you looking sharp and moving freely.

The standout hallmark of this daypack is its impressive 31-litre packing volume packed into an exceptionally light 0.67kg frame. Despite its weightless feel, the interior features a dedicated, shockproof computer interlayer precisely cushioned to protect a 15.6-inch laptop from transit scuffs. Equipped with an external USB charging port, the bag allows you to connect your internal power bank and top up your smartphone's battery seamlessly while tracking your route down busy city high streets.

• Roomy 31L Packing Capacity: Massive main cabin engineered to comfortably hold textbooks, a change of clothes, and travel utilities.
• 0.67kg Ultra-Light Frame: An incredibly light structural build that eliminates posture strain and travel fatigue.
• Integrated USB Charging Interface: External connectivity point that lets you charge your electronic devices smoothly on the move.
• Tough 200D/300D Oxford Fabric: High-density, splashproof material that forces light rain to bead up and roll off instantly.
• Physiological Curve Backing: S-shaped ergonomic shoulder straps that contour naturally to your torso for even weight distribution.
• Smart Security Architecture: Features an anti-theft design with recessed zipper tracks to shield your high-value items from pickpockets.

The TIGERNU B3221C fixes the common issues of basic canvas school bags that drop flat when half-empty, rip at the shoulder joints, or absorb groundwater when set down. This eco-friendly, softback daypack features an interior keychain holder, dedicated slot dividers, and a fast-grab front silt pocket to keep your daily tech accessories perfectly ordered and simple to find. The sophisticated grey exterior is finished with subtle embroidery detailing and a reinforced soft top grab handle, ensuring it transitions effortlessly from a relaxed weekend gym trip to a formal business boardroom.

Inside, the smooth polyester lining acts as a soft shield, preventing loose keys or metal charging tools from leaving unsightly blemishes on your premium tablet and computer screens. Whether you are navigating tight terminal security checks, walking across a rain-slicked campus, or commuting during rush hour, its robust weave delivers long-lasting resistance to daily scuffs and tears. If you need a hard-wearing, secure, and weightless bag to protect your digital gear, this laptop backpack is built to perform.

• Brand & Model: TIGERNU T-B3221C Multi-Functional Tech Rucksack
• Style: Modern Business Casual, Leisure Schoolbag & Classic Travel Backpack
• Primary Material: Water-Repellent, Wear-Resistant 200D*300D Oxford Fabric
• Interior Lining: Smooth Protective Polyester Core
• Closure Type: Secure Anti-Theft Zipper Tracks
• Connectivity Setup: External Integrated USB Charging Port
• Internal Capacity Matrix: Generous 31 Litres volume storage (20-35L category)
• Device Compatibility: Dedicated independent padded compartment fits laptops up to 15.6 inches
• Storage Layout: Main Interior Cabin, Computer Interlayer, Key Chain Holder, Interior Slot Pocket, and Fast-Access Front Silt Pocket
• Carrying Architecture: Ergonomic Physiological Curve Back Panel with Soft Padded Grab Handle
• Technics Profile: Quality Minimalist Embroidery Finish
• Product Dimensions: 48cm x 31cm x 17cm / 18.8" x 12.2" x 6.9" (H x L x W)
• Net Weight: Barely-there travel framework at just 0.67kg (1.47 lbs)
• Colour Scheme: Classic Urban Grey
• Gender Spectrum: Unisex Design (Tailored for both Men and Women)
• Origin: Mainland China