You can carry this tote bag both on your back and in your hand. Made of recycled polyester and has pockets that hold a computer and all those personal things you need while spending your day on the go. 11x4 ¾x17 ¼ "/4 gallon Spacious bag with a zipper and many compartments. Inside the bag there is one separate compartment that holds a 13” laptop/tablet and two open compartments where you can have things that you want to access quickly. In the two open compartments on the outside you can store small things that you want close at hand. The bag can be carried as a backpack, on the shoulder or in the hand. Your keys never end up at the bottom of the bag since you can attach them to the key chain in the bag’s outer pocket. The striped key chain on the front is removable – smart if you want to use it for your own keys or attach it to another bag.