A backpack (also called rucksack, knapsack, packsack, pack, bookbag or Bergen) is, in its simplest form, a cloth sack carried on one's back and secured with two straps that go over the shoulders, but there can be exceptions. Light weight types of backpacks are sometimes worn on only one shoulder strap, or in the hand like an ordinary bag.
Backpacks are often preferred to handbags for carrying heavy loads, because of the limited capacity to carry heavy weights for long periods of time in the hands. Large backpacks, used to carry loads over 10 kg (22 lbs), usually offload the largest part (up to about 90%) of their weight onto padded hip belts, leaving the shoulder straps mainly for stabilising the load. This improves the potential to carry heavy loads, as the hips are stronger than the shoulders, and also increases agility and balance, since the load rides nearer the person's own center of mass.
| Mesh Drawstring Backpack
Item No DBM39964
Description:A fun simple backpack to stuff and go! Product Size: 13-3/4" x 17", Material: Mesh + Nylon Packing: 50pcs/bag, 300pcs/ctn, Carton size: 40 x 46 x 60 cm, G.w: 16kg
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| Cavans Backpack
Item No BBC55213
Description:Material: 10oz Canvas, Size: 20 x 25 cm Packing: 1 pc in 1 pp bag, 200pcs/ctn, Carton size: 42 x 27 x 47 cm, G.w: 20kg Payment term: Wire transfer or Western Union
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| Backpack
Item No BBB17930
Description:Backpack
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| Backpack
Item No BBB17929
Description:Backpack
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| Backpack
Item No BBB17928
Description:Backpack
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| backpack
Item No BBB17927
Description:backpack
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| Backpack Laptop Bag
Item No LAB4495
Description:Material: Durable Ballistic Nylon and PU 1.Main
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| Backpack Laptop Bag
Item No LAB4497
Description:Material: 600D Nylon and 1680D Polyester 1.Panel
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| backpack laptop bag
Item No LAB4499
Description:1. 3 ways carry: double shoulder strap, padded han
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| Backpack
Item No BSB13330
Description: Our company is a
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