Question 2: What is the weight of this bag?
Answer:
The weight of 50L with packaging is about 1040g.
The weight of 80L with packaging is about 1370g.

Question 3: How many pockets does this backpack have?
Answer:  7 pockets in total
1 Main bag (50L height 53cm width 31cm, 80L height 64cm Width 40cm)
1 Internal compartment bag (50L height 29cm width 29cm, 80L height 34cm width 37cm)
1 Small zipper bag on main bag (50L height 13cm width 28cm, 80L height 15cm width 30cm)
1 Front large pocket (50L height 36cm width 27cm, 80L height 47cm width 30cm)
1 Front small pocket (50L height 27cm width 21cm, 80L height 36cm width 24cm)
2 Side bag (50L height 22cm Width 16cm, 80L height 24cm Width 19cm)

Question 4: What is the length of the shoulder straps of this backpack?
Answer:Adjustable shoulder straps
The range of 50L is 43-81cm
The range of 80L is 45-89cm

Question 5: What is the capacity of this bag in liters?
Answer:The capacity is about 50L and 80L