50L Expandable Flight Approved Travel Carry on Backpack with USB Charging Port for Women & Men

[EXPANDABLE DESIGN - 36L-50L]: Experience a spacious capacity with the extra large carry on backpack featuring an expandable design. In its normal state, it is 36L with dimensions of 20.1x12.6x8.7 inches. After extended, it becomes 50L with dimensions of 20.1x12.6x11.8 inches. You can easily expand the zipper and buckles according to your requirements. [CONVENIENT & PRACTICAL]: This business carry on backpack comes with an external USB port and built-in charging cable, allowing you to charge your electronic devices using your own power bank anytime, anywhere. Additionally, the luggage strap makes it easy to fix the backpack onto your luggage for easier carrying. The hidden anti-theft pocket on the backside provides added protection for your personal valuables such as passports and wallets. [DURABLE & WATERPROOF]: Made of water-repellent and anti-scratch materials, this travel backpack effectively resists rainwater splashes and protects your items from getting wet. The adjustable shoulder straps and breathable mesh backside with plentiful sponge pads help relieve stress from your shoulders and back. [MULTI-FUNCTION & FLIGHT APPROVED]: The overall size of this carry on business backpack meets the maximum size allowed by most airlines, fitting under the seat and in the overhead bin on airplanes. The freely 180-degree zipper closure design also allows for quick security checks. [CONSTRUCTION & DIMENSION]: The backpack includes a separate laptop compartment with a size of 18.5x11.8 inches, fitting a 17.3-inch laptop. The main compartment is spacious enough to store 4-7 days' worth of travel gear, including clothes, shoes, and daily supplies, making it perfect for business travel, weekend getaways, and daily commutes. (Please note that this item is not intended for use by individuals aged 12 and under)

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