Phantom Unisex Smartest Backpack. Made out of high quality fabrics and has reflective details for you safety at night. You could also simply click your zippers into the integrated TSA - lock to lock your bag. You can even attach your bag to any object using the lug lock. This backpack has many practical hidden pockets bringing you convenience during your daily commute. Also, can find padded compartments for a 15.6" laptop. tablet, to 10" and all your other belongings. Perfect weight balance Smart storage compartments Waterproof SBS zipper Shockproof Reflective elements for road safety USB charging port Bottle opener Water stain repellant Lock around objects TSA 3-digit combination lock