BowLift | Expandable waterproof laptop backpack for business with USB port (Black)

Features:
1. Made of high-quality fabrics, comfortable to the touch, durable and dirt-resistant
2. Practical USB port design on the side for convenient charging
3. Expansion design that increases space by 5 cm
4. Generous capacity to meet daily storage needs
5. Breathable honeycomb mesh for quick heat dissipation, comfort, and weight reduction
6. Trolley bag design for more convenient travel

Product parameters:
1. Material: Film
2. Function: waterproof, abrasion-resistant, earthquake-proof, expandable capacity, weight reduction
3. Laptop size: 16 inches
4. Product dimensions: 44 x 31 x 11-16 cm
5. Weight: 860 g
6. Note: Only backpacks are shipped, nothing else!