we sell sport Backpack ,leisure bag ,sport bag , trolley bag and camping bag for more years,we can do material and size,designs according to customer's request.

1) fashion design ,competeitive price , quickly reply

2)OEM order are welcome

3) it's convenient for walking in outdoor  .

4) it's can keep lots of camping requirements

To a backpack with load of over 10 kg,the system is very important .a good structure can release the tiredness of trekking or climbing .when it is unsuitable for human structure,the effect will be opposite.

On the top of aluminum bar there is a hard plastic board connected ,which transfer the weight from the top of backpack to the bottom and minimize shock;

The bottom of v aluminum bar is connected to thick waist mat that allows hip move freely during walk;

The side next to body is breathable nylon meshcloth and highly elastic sponge.which reduces the losd preesure on the back effectively;

The knapsack system can go up and down quickly within a certain scale according to user's height;

There are suitable plastic  materials inside of flexible three-layer waist protector, which connects waist protector and coxa closely.not only prevent shaking but also not affect walking;

The fastener uses popular ITW steel engineering plastic fastener. which guarantees all parts to the connected safely and can be used smoothly.