Features:
• External USB charging design for convenient charging on-the-go
• High elastic 3D honeycomb back pad for comfort and breathability
• Back trolley strap design for easy travel with a trolley case
• High-brightness reflective strip for added safety during night travel
• Waterproof encrypted PVC fabric for waterproof and stain-resistant protection

Specifications:
• Material: Waterproof Encrypted Pvc Fabric
• Compatibility: Fits most 17 inches, 19 inches, and 20 inchesLaptops
• Dimensions: 17 Inches (43.18 Cm) X 19 Inches (48.26 Cm) X 20 Inches (50.8 Cm)

Package Includes: (as per selected options)
• 1 x Waterproof Double Shoulder Backpack With Usb Black