Product Description

The Kingsons KS3149W Business Backpack is designed for modern professionals and students who value security, convenience, and comfort. Featuring a back-opening anti-theft design, hidden zippers, and a TSA-approved combination lock, it ensures your belongings stay safe during travel and daily commutes.

Made from durable, water-resistant polyester, this backpack protects your laptop and essentials from rain and daily wear. The USB charging port allows you to power your devices on the go, while the ergonomic curved shoulder straps reduce pressure for all-day carrying.

Available in 15.6-inch and 17.3-inch sizes, it fits large laptops and has multiple compartments for business gear, books, and personal items. Whether for work, university, or travel, the KS3149W delivers a sleek professional look with maximum functionality.

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Key Features

✅ Anti-Theft Security – Back-opening design, hidden zippers, and TSA-approved lock.
✅ USB Charging Port – Charge devices conveniently while commuting or traveling.
✅ Water-Resistant & Durable – Polyester fabric keeps belongings safe from rain.
✅ Laptop Compatibility – Fits laptops up to 15.6” or 17.3”.
✅ Comfortable Carrying – Curved shoulder straps reduce shoulder stress.
✅ Smart Storage – Multiple compartments for laptop, tablet, books, and valuables.

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Usage Scenarios & Tips
 • Business Commuting: Protects laptops and documents with anti-theft features.
 • University / Study Abroad: Carry textbooks, laptops, and essentials securely.
 • Travel & Flights: TSA lock and hidden compartments make it ideal for airport security checks.

👉 Pro Tip: Pair with a slim power bank for seamless charging on the go.

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产品参数 (Specifications)
 • Model: KS3149W
 • Brand: Kingsons (金圣斯)
 • Material: Polyester (water-resistant)
 • Color Options:
 • Light Grey 17” + TSA Lock
 • Dark Grey 17” + TSA Lock
 • Dark Grey 15” + TSA Lock
 • Capacity: 20–35L
 • Laptop Compatibility: 15.6” / 17.3”
 • Dimensions: Fits large laptops and daily essentials
 • Weight: Approx. 0.9–1kg (variant dependent)
 • Features: USB charging port, TSA lock, hidden zippers, anti-theft back opening, ergonomic curved straps
 • Target Users: Business professionals, commuters, university students, travelers