'Never Underestimate the Power of a Girl with a Book' Quote by the ultimate RBG, Ruth Bader Ginsburg! Our book bags are a stylish and eco-friendly way to transport your most important daily items to school, work or shopping! -Heavy weight 12oz cotton canvas for durability and reinforces stress points. Great for heavy books or groceries. -Black web handles for strength. The web weave makes it easy to rinse off and clean. -Bag measures 15" x 15" with a 3" gusset bottom to carry lots of items. -Each bag is screen printed with non toxic paint for a permanent long lasting image.