Pencil bags have a 2" gusset and carrying loop, while Zip Cases are slimmer. Both are made with a sturdy 12 oz canvas exterior and a pop-color interior liner. 100% recycled canvas.
My son is a college student, and he loves using these notebook for his classes. They are a veryhigh quality, and hold up well all semester traveling in his bookbag. He loved them so much, I bought one for each class the following semester.