Specifications:

Size backpack: 45H x 31/24W x 12.5D
Size laptop case: 37H x 29W x 4.5D
Weight: 0.98 kg
Maximum load: 35 kg
Color: Grey
Main fabric: 1000D Two Tone Kodura PU Waterproof.
Lining: P200D WR/PU Waterproof.
Air Mesh rapid evaporation.
Laptop compartment have specially designed.
Hugging shoulder strap, make sure, strap will be extandable - shorten extremely flexible. The back backpack is designed for fitness of the Vietnamese, so, very comfort when you bring it.
Warranty: 12 month.