Takeo KIKUCHI B4 Busy Casual Backpack Features: This business casual backpack is made of heathered polyester for an elegant look. With plenty of interior pockets, this bag can be used in a wide range of situations, from everyday use to travel. Material: The main body material is made of heathered polyester that is used in clothing such as suits and jackets. The surface has been treated with a water repellent finish, so it can be used safely and easily, making it suitable for a variety of occasions. [Functions and Storage] [Exterior] Front sliding zipper pocket x 2 open pocket x 2 pen slots front zipper pocket (3 way opening); Back zipper pocket (Interior) Cushion pocket mesh pocket x 2 open pockets x 2 [Model number: 786701]