Large-capacity Expandable Shoe Compartment Backpack Camping Travel Bag with USB Port Features: 1. Independent shoe compartment design, with zipper opening and closing, more convenient to use 2. The shoe bag is made of dirt-resistant fabric, separated from wet and dry, and can be used to store umbrellas, toiletries, shoes, etc. 3. Multi-compartment design, neatly classified and stored 4. Expandable design, large-capacity storage space 5. Made of high-density fabric, waterproof, wear-resistant and tear-resistant 6. Three-dimensional mesh elastic foam back pad, comfortable and breathable, effective shock resistance and load reduction 7. USB charging interface, charging is more convenient 8. Zinc alloy lock, strong texture, wear resistance and oxidation resistance, good anti-theft performance 9. High-quality alloy zipper, smooth and not stuck 10. Thick handle design, strong and durable 11. Adopt high-quality buckle, easy to disassemble, strong and durable 12. The leather ventilation hole design in the shoe compartment is good for air exhaust Product parameters: 1. Fabric: Oxford cloth, Nylon 2. Lining: Polyester 3. Function: breathable, waterproof, wear-resistant, anti-theft, shock-resistant, lightening 4. Accommodating computer size: 15.6 inches 5. Dimensions: 50L: 48 x 33 x 17 cm, 65L: 53 x 30 x 16 cm, 80L: 60 x 40 x 23 cm 6. Note: Only backpacks will be shipped, nothing else!