Material - 900D oxford fabric with water resistant function, no need to worry light rainning day. The material also soft, breathable, anti-abrasion and anti-tear, fit for outdoor, camping, hiking and travel use.

Capacity - 25L. The bag with many pockets, and the main compartment with laptop layer. The front two pockets can keep notebook and the side pocket for water bottle or umberella. 

Reflective strip - the front side of backpack with 3 reflective strip, help to keep user safety while night activities.  And there is a chest buckle to fix bag well to prevent vibration while walking. The back padded is soft and breathable, good for shock absorption and heat dissipation. 

D-type fastener - Could be used to hand on mountaineering buckle and lifesaving whistle, it is a useful design for the people who do outdoor, camping, hiking and travel activities.  Then adjustable shoulder strap allow user adjust it to fit with a more comfortable backpack.