Large Capacity Laptop Backpack – Expandable & Waterproof with USB Charging

Premium Durable Material
Crafted from high-density waterproof polyester, reinforced with abrasion-resistant stitching for long-term outdoor use.
Innovative Expandable Design
Extra 20% storage capacity with zippered expansion, ideal for travel, hiking, or business trips requiring versatile packing.
Built-in USB Charging Port
Externally routed USB port connects to your power bank (not included) for on-the-go device charging without opening the backpack.
Optimized Organization
Dedicated 17-inch laptop sleeve, multiple interior pockets, and side elastic straps for water bottles/umbrellas.
Ergonomic Comfort
Padded shoulder straps and breathable mesh back panel reduce strain during extended wear.
Multi-Scenario Use
Perfect for boarding (fits under airplane seats), daily commute, campus life, or outdoor adventures.
Stealth-Reinforced Base
Dual-layer reinforced bottom prevents sagging and protects contents from impact.
Global Wholesale Advantage
Direct factory pricing ensures unbeatable value for bulk orders, backed by strict quality control.