School Backpack Student Girl Knapsack Waterproof Cartoon

As long as it is a night away mountaineering
activities need a big backpack, people have said
that your home is on your back, all the food,
drink, use, sleep all the belongings are put in
such a backpack.

Two categories of hiking bags:

One is a large backpack between 50 and 80 liters
in size. The other category is small backpacks
between 20 and 35 litres in size, also known as
"assault packs". Large mountaineering bags are
mainly used to transport mountaineering
materials in mountaineering. Small
mountaineering bags are generally used for
high-altitude climbing or assault peaks.
Mountaineering special backpack is to cope with
the extreme environment, the production is
exquisite and unique, the general body of the
bag is long and thin, the back of the bag. It is
designed according to the natural curve of the
human body, so that the body is close to the
back of the person, so as to reduce the pressure
of the straps on the shoulders. These bags are
watertight and will not leak even in heavy rain.
Besides being used for mountaineering, it is
also widely used in other adventure sports (such
as rafting, crossing the desert, etc.) and
long-distance travel.

Travelling bag: the big
travelling bag is similar to the mountaineering
bag, but the body shape is different. The front
of the travelling bag can be fully opened
through the zipper, which is very convenient for
taking and putting things, unlike the
mountaineering bag which usually puts things
into the bag from the top cover of the
mountaineering bag. There are many kinds of
small bags, so make sure you choose one that is
comfortable to carry instead of focusing on the
look.

Bike bag: divided into two categories of
hanging bag and backpack. The bag type can be
carried on the back, or the bag can be hung on
the front handle or the rear shelf of the bike.
Backpacking is mainly used for bike trips that
require high speed cycling. Bike bags are fitted
with reflective strips that reflect lights to
ensure safety during night riding.

Backframe bag:
this kind of bag is composed of a body and an
outer aluminum frame. Used to carry bulky items
that are difficult to fit into a backpack.