VULKIT VBP100 – Large Travel Backpack with USB Port, Waterproof, Expandable for Weeklong Trips

Expandable Design – From Daily to Travel-Ready：Easily switch from 23L to 39L with a single zip. Spacious enough for 5–7 days of travel, replacing your carry-on suitcase. Smart Storage Compartments：Includes a padded laptop sleeve (fits up to 17" laptop + 10.9" iPad), dry-wet separation, and multiple zippered pockets for organized packing. Built-In USB Charging Port：Stay powered on the go—connect your own power bank (not included) to the integrated USB port. Weather-Resistant & Durable：Made of high-quality waterproof Oxford fabric to withstand rain, spills, and wear during travel or commuting. Comfort & Versatility：Breathable honeycomb back panel, reinforced padded shoulder straps, anti-slip chest strap, and dual carry modes (backpack or handbag). Travel-Friendly Features：180° flat-open design for smooth airport security checks. Ideal for business trips, weekend getaways, or daily commuting.