Bopai 61-93318A Hard Shell Waterproof Expandable Backpack with USB Charging Hole, Spec: Password (Black)

1. Material: PC, polyester2. Function: waterproof, wear-resistant, anti-theft, shock-resistant, capacity expansion, load reduction3. Accommodates computer size: 17.3 inches4. The PC is pressed into one piece, and carbon fiber material is added, which is wear-resistant and impact-resistant.5. The fan-shaped half-open bag design makes it more convenient to take items6. The back adopts hollow groove design to enhance air convection and effectively dissipate heat7. The backpack has a USB charging hole, which is more convenient to use8. Size: Regular version: 30 x 47 x 8 cm, Password version: 30 x 47 x 11 cm9. Weight: normal version: 1 kg, password version: 1.32 kg10. Note: Only backpacks will be sent for delivery, nothing else!