Review on Waterproof Anti-Theft Travel Laptop Backpack with USB Charging Port - 17-17.3 Inch Large Business Backpack for Men and Women - Blue by Gary Flick

backpack works great. I've been using it for a few weeks now and no problems. The lock works great, if you say the lock doesn't work, you just don't know how to use it properly. They didn't give me the key to the lock, but that's not important. There is plenty of room in the bag itself. I use all my school books and supplies, plus a laptop and an extra set of clothes, and I still have plenty of room. Carrying a fully loaded backpack does not strain your back and gives you a comfortable feeling.