Durable and practical high quality water resistant polyester, the material is anti-tear and easy clearing. Sturdy nylon zipper with metal slider and rope puller are for stable performance, more smooth, not easy break, and flexible open and close.

Dimension12*5.5*17 Inches (Length*width*height). Backpack Weight 1.56LB; Main compartment laptop sleeve can fit for 15.6 inches laptop. Adjustable padded shoulder straps for carrying comfortable. Side pockets with buckle to avoid stuffs drop down.

Main compartment with double-zipper closure; 1 exterior front zipper pocket; sides pockets can hold water bottle and umbrella; Interior 1 Laptop pocket; 6 slip pockets,2 pen sleeves,1 key ring. Roomy compartment and lots of pockets, make your items organized and easier to find.

Classical pure color pair with a beautiful butterfly buckle and two reflective strip, for more fashion an safety. A luggage strap allows backpack fit on luggage/suitcase, slide over the luggage upright handle tube for easier carrying.With a hidden anti theft pocket on the back protect your valuable items from thieves.

External USB port with built-in charging cable, offers you a more convenient way to charge your phone and listen music while walking. Not only that, the backpack has a headphone hole for you to enjoy music. Please noted that this backpack doesn't power itself, USB charging port only offers an easy access to charge.