Waterproof anti wrinkle polyester material. Water-resistant bag cover/shield , double protecting your backpack.
External USB 2.0 Charging Port Design: Built-in USB cable offers a convenient charging of your electronic device anywhere (Not included power bank).
Dimensions:11.8"x 5.2 x 17.7" / 30 x 12 x 45 cm (L*W*H) with dedicated compartment can hold up to 15.6 inch laptops, organizational pockets for pens, keys, cell phone and iPad.
Comfortable: Made of Eo-friendly Nylon Fabric Material with Two "S" Curve Padded Shoulder Straps and Durable stitching. The backpack hugs your back, reduce and evenly distribute weight on your back.
Anti-theft design: Hidden zipper design of main compartment with theft proof combination lock and Dual-access zipper to keep your belongings safe from five-finger for daily commuter, say goodbye to those pickpocket behind you.
35L Laptop Backpack with Hat Waterproof Anti-theft Casual Daypack with USB Charging Port College Book Bag Rucksack - B07FQMJ9VX