SPECIFICATIONSBackpacks Type: SoftbackBrand Name: SUUTOOPCN: HenanCapacity: Above 76 LitreCarrying System: Arcuate Shoulder StrapChoice: yesClosure Type: ZipperDecoration: LetterExterior: Solid BagGender: UnisexHandle/Strap Type: soft handleHigh-concerned chemical: noneInterior: Interior Slot Pocket,Interior CompartmentItem Type: BackpacksLining Material: POLYESTERMain Material: POLYESTERModel Number: backpackOrigin: Mainland ChinaPattern Type: LetterRain Cover: NoStyle: CasualTechnics: Jacquard Question 1: What is the size of this bag in cm?Answer:The size of 50L is Height 50cm, width 33cm, thickness 20cm.The size of 80L is Height 62cm, width 40cm, thickness 22cm.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 total1 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 strapsThe range of 50L is 43-81cmThe range of 80L is 45-89cmQuestion 5: What is the capacity of this bag in liters?Answer:The capacity is about 50L and 80L