Product Specifications  
<br />31 * 51 * 19cm (width * height * thick) 
<br />Manual measurement with 1-3cm error belongs to the normal range 
<br /> product material  
<br />Fabric Nylon; Lining: Advanced Polyester Fibers 
<br />Backpack structure: two zipper warehouse, two side pocket, the internal computer compartment, you can put down the A4 file; fabric tough and flexible, strong breathable ultra-lightweight; breathable S-shaped shoulder strap, according to ergonomic design, soft , Suitable for camping, mountain climbing, skiing, hiking and other outdoor activities, price concessions, is essential for outdoor activities backpack. Backpack, skiing, hiking and other outdoor activities, price concessions, outdoor activities must be backpack <p> <b><b><img src="https://contestimg.wish.com/api/webimage/5996876d8ec0e60bbbfbb90a-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/5996876d8ec0e60bbbfbb90a-1-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/5996876d8ec0e60bbbfbb90a-2-large.jpg"><img src="https://contestimg.wish.com/api/webimage/5996876d8ec0e60bbbfbb90a-3-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/5996876d8ec0e60bbbfbb90a-4-large.jpg"><img src="https://contestimg.wish.com/api/webimage/5996876d8ec0e60bbbfbb90a-5-large.jpg"><img src="https://contestimg.wish.com/api/webimage/5996876d8ec0e60bbbfbb90a-6-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/5996876d8ec0e60bbbfbb90a-7-large.jpg"><img src="https://contestimg.wish.com/api/webimage/5996876d8ec0e60bbbfbb90a-8-large.jpg"><img src="https://contestimg.wish.com/api/webimage/5996876d8ec0e60bbbfbb90a-9-large.jpg></b></b></p>