Product Specifications: 
1.Capacity:40L /50L
2.Dimensions: 
40L 19.6 x 11.8 x 9.8 inches
50L 22.8 x 12.6 x 9.8 inches
3.Material: Nylon
4.Bear system structure: Balance
5.Color: Black/Yellow/Red/Purple/Green/Blue/Orange

Product Feature:
1.Breathable mesh shoulder straps, bottle holder on the both sides.
2.Water-repellent and tear-resistant Nylon Material.
3.It will be a fantastic necessity for not matter outdoor sports or leisure activities in or out of the city.
4.Convenient for hiking,traveling,camping,running,cycling,mountaineering.
5. Adjustable shoulder strap and waist strap to fit your need.

Washing instruction:
1.Don't wash with liquid detergent or bleach.
2.Clean with wet cloth if necessary.
3.Dry naturally.

Package includes:
1 x Backpack
1 x Waterproof Cover

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• Made of best Nylon, with SBS Zippers, high quality and durable, better ventilation not easy to deformation, can carry 50 kilograms weight Stuff
• Unique design straps ease the pressure on the shoulder, and The cushion with high permeability material, have never cover the sweat when you carry it a long time
• Reflective line on the Backpack, more safely in the Night, with lifesaving whistle and Large bearing capacity, Super versatile and multi-functional pack.
• With Waterproof Cover can protect your stuff from the rain, have big room for a laptop / notebook up to 15.6 inch, laptop charger, mouse, your iPad, mobile phone, A4 documents, books, magazines and other accessories
• Package includes: 1 * Backpack; 1 * Waterproof Cover

Made of best Nylon, with SBS Zippers, high quality and durable, better ventilation not easy to deformation, can carry 50 kilograms weight StuffSunhiker