2017 Custom Backpack USB Charging Port Casual Daypack Mochila Escolar Laptop Backpack School Bags Fo

This laptop backpack has an unique invisible zipper design of the main compartment, to protect your laptop, digital notebook and other valuables against potential theft for daily commuter or when you travel in a unfamiliar or crowed place for men & women.

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Features 
★Anti theft design by hidden the zipper against your back
★Durable anti-scratch water resistance abric (Not waterproof, do not recommend to use in the rain)
★Independent padded compartment with Velcro strap to hold your laptop and ipad, shockproof, also small pockets for smart phone, wallet, books, folder, power bank, charger, pens etc. 
★Built-in external charging port, supply a simple way to charge your electronic device on the go. 
★Luggage strap on the back, used to attach the bag on your suitcase when traveling. 
★The padded mesh back panel and shoulder strap is designed to fit ergonomically and offers maximum back support with strong ventilation, comfortable for carrying. 
★Quick-access pockets on the shoulder straps for your metrocard. 
★Two sides adjustable pockets with zipper to hold your water bottle and umbrella etc. 

Specification 
-Exterior dimensions: 18 x 13.5 x 6 inch (H*L*W) 
Note: fits most up to 15.6 inch laptops, may not snugly fit all computers due to variations in the sizes of different models. 
-Main material: Water resistance oxford fabric
-Capacity: 20-30L
-Weight: 2.2 lb
-Gender: Unisex
-Application: Business / Travel / College / Casual / Sport / Outdoor / Hiking / Cycling
-Package: 1x Backpack
-All of our backpack bags have a 1-Year Warranty