Color: Black Anti-theft Backpack can be your best friend on any occassion No person will be able to find the openings, and thus the way to your belongings ANTI-THEFT BACKPACK : The genius here lies in the hidden zipper that is fully hidden in the back of the bag CYCLING BACKPACK: Night safety: Reflective stripe on body front with luminous material makes the backpack more conspicuous in the night CASUAL DAY-PACK: Weight balance: The backpack is designed to relief your shoulder with the weight pushing down on your shoulder while carrying Cotton padded shoulder straps and back padding offer extra back support and comfort; top loop handle serves as safety to hold the backpack while picking BUSINESS LAPTOP BACKPACK: Anti-theft Backpacks--YOUR BEST CHOICE while you are going to a business trip, weekend trip, shcool, hiking, cycling, work etc.